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	Roof - Wikipedia, the free encyclopedia
		Residential roof designs in mild climates or where there is little precipitation tend to exhibit lower pitched roofs and drainage at the exterior wall; an example of residential flat roof is that of the adobe construction in the American Southwest.
		Pitched roofs are often covered with asphalt shingles (in the US and most of eastern Canada) although thatch, wood shake, steel, corrugated galvanized iron, slate and tile roofs are used elsewhere.
		A slate roof may last 75 to 150 years, and in extreme cases even longer, although the durability depends on the quality of slate used and the levels of skill and care employed by the roofer.
	en.wikipedia.org /wiki/Roof (1317 words)

	Flat Roof Design
		Roofs of very low slope are usually selected for one or more of three reasons; aesthetic design, provision of a promenade roof /deck and ease of covering for structures of complex plan.
		It is generally accepted as good practice for "flat roofs" to be designed to clear surface water as rapidly as possible and it would be exceptional nowadays for a flat roof to be designed without falls.
		Flat roofs should be constructed to a minimum fall (slope) of 1 in 80.
	www.scieroofing.com /flatroofdesign.htm (1026 words)

	Flat Roof
		Retractable "flat roof" greenhouses are an affordable way to protect rain tolerant crops from excessive heat, cold, and wind.
		Flat roof houses have been used to protect crops from hail and snow, but they have a limited capacity to withstand the weight of the hail or snow.
		Flat roof houses with energy trusses to eliminate perimeter bracing.
	www.cravo.com /pages/flat_roof.htm (729 words)

	Flat Roof Job Specification (Site not responding. Last check: 2007-10-23)
		In order to ensure that your Ultraflex flat roof system will last a life time and provide a totally waterproof solution, we take many steps in the application process.
		Roofs suffering from poor drainage will be dealt with, usually by the use of timber firring pieces fitted to existing joists to give a fall to the new deck.
		Where a flat roof meets a tiled roof, as in the case of a dormer construction, Glassfibre membrane will be extended up and under the tiled roof area between 6-12".
	www.ultraflex-flat-roofs.co.uk /typical-spec.htm (361 words)

	Flat Roofs - Foam Roofing. Lyons Roofing Repair Phoenix. Flat & Foam Roof Experts
		Our unparalled team of field and office personnel will apply their flat roof expertise to give you solutions you can be proud of and will provide you with the peace of mind you deserve.
		Our unique Roof Repair And Maintenance Program (RRAMP) is based on our ability to find and properly repair flat roofs and then to stand behind the results of our efforts for up to 4 full years.
		Flat roofs don’t have to be the problem that most flat roofs historically have been.
	www.lyonsroofing.com /flat_roofs_roof_repair_fr.html (520 words)

	Flat Roofs (Site not responding. Last check: 2007-10-23)
		Flat roofs aren't as glamorous and/or popular as its newer counterparts, such as slate, tile, or copper roofs.
		Used since the 1890s, asphalt roll roofing generally consists of one layer of asphalt-saturated organic or fiberglass base felts that are applied over roof felt with nails and cold asphalt cement and usually covered with a granular mineral surface.
		Multiple-ply or built-up roofing, also known as BUR, is made of overlapping rolls of saturated or coated felts or mats that are interspersed with layers of bitumen and surfaced with a granular roofing sheet, ballast, or tile pavers that are used to protect the underlying materials from the weather.
	www.roofing-construction.com /flat_roofs.htm (625 words)

	Austrotherm :: EN :: Application :: Flat Roof Insulation
		The inverted roof is a flat roof construction; the main feature is that, unlike in the conventional flat roof construction, thermal insulation is laid above the moisture sealing.
		Flat roofs built according to the inverted principle have been approved for years and correspond with the „established rules of technique“.
		The plus roof is often applied to old roof constructions, which might be still solid, but their thermal insulation is insufficient nowadays.
	www.austrotherm.com /austrotherm/en/main7/sub1/07819/index.shtml (863 words)

	Flat Roof (Site not responding. Last check: 2007-10-23)
		Flat roofing is popular in the desert southwest United States where there is significantly less precipitation than in other parts of the country.
		Although the name would imply that the roof is a true flat surface, building codes require at least a 2" slope from center to the edges to allow for run-off.
		The roofing material utilized on flat roofs is generally rolled asphalt or urethane foam.
	www.ainspect.com /roofing/flat_roof.html (161 words)

	WHY ARCHITECTS LOVE THE FLAT ROOF ?
		Flat roof is typical of modern architecture, it is almost similar to the column in classicial architecture in the language of modern architecture, flat roof is directly linked to the spirit of free plan.
		Secondly this a question of aesthetics, with flat roof you consider the roof as an entire part of the volume, recent architectural projects include slope roofs with the same writing, the volume as a whole.
		Why don't we considers roof as a diagonal part of the building, see the work of parent, i'm not expert in his architecture but the roof can be taken as an oblique part of the building to give a space with contrast (high and narow) and some energy to the building.
	www.aroots.org /forum2/topic_architecture_1386.html (882 words)

	Steel Chief - Skillion and Flat Roof
		Fastening down of the roof is completed by drilling up through the channel on the outside of the wall and out through the roof.
		Before putting the roof into position the bars are lifted onto the skillion sides and positioned in the middle.
		Roof bars are also supplied for 2.26 m wide skillion steel framed sheds.
	www.steelchief.com.au /www/pages/p100807_v1.html (1577 words)

	Patch Roof - Roofing - Patch Roof (Site not responding. Last check: 2007-10-23)
		Normally, flat roofs consist of concrete, steel, or wood substrates, heavily contaminated with tar combined with layers of loosely fitted tar paper.
		Flat roof owners must realize that it is not practical or cost effective to apply a high quality, permanent SANI-TRED roofing system directly on these types of low quality materials.
		The new flat roof surface transforms the normally useless space on flat roofs to a usable walk-on roof deck.
	www.sanitred.com /Patch-Roof.html (1182 words)

	Roofing Contractor Long Island - ROOF 1 Roofing Company (Site not responding. Last check: 2007-10-23)
		Roof coatings for all different types of roofs can also be applied to add to the life of your roof.
		We can install a second roof over the existing roof, provided that the roofing surface is in good condition meaning, a smooth, dry surface with no irregularities and moisture, local code requirements are met and load requirements are verified.
		Re roofing over an existing roof is less expensive to install and produces excellent results, you can install a high quality roofing system over an existing roof and get many years of repair free, roofing longevity in return for your investment.
	www.roof1ltd.com /commercial_roofing_ (311 words)

	Flat Roof Repair - County Flat Roofing - Sarnafil Flat Roof Services Contractor
		According to the National Roofing Contractors Association/Asphalt Roofing Manufacturers Association (NRCA/ARMA) Manual of Roof Maintenance and Repair, the greatest cause of premature problems on flat roofs is the failure to find and correct minor defects and deterioration in their early stages.
		Flat roofs are frequently used as platforms for mechanical equipment, signs, and braces, where improper mounting and flashing causes leaks.
		County Flat Roofing are a flat roofing contractor, specialising in metal roofs light, flat roof repair insulation, biodiverse green roof garden system, felt roof construction, covering sarnafil uk, metal roofing material supply, sheet roofing services.
	www.countyflatroofing.co.uk /flat-roof-repairs.html (585 words)

	Locating Flat Roof Leaks
		Flat roof leak roofs can be a devil to locate.
		Flat roofs allow the leak to travel in any direction from the leak point.
		A flashing connects a roofing membrane to something that is not a roof.
	www.askthebuilder.com /B200_Locating_Flat_Roof_Leaks.shtml (511 words)

	Flat Roof Ponding
		With many flat roofing systems, roof leakage is not identified until dark ceiling stains appear at various areas inside the home.
		Roof leaks commonly occur at flashing areas where protrusions pass through the roof surface (such as vent stacks, chimneys, and skylights).
		But roof leaks can also occur at seams or connection areas such as valleys and flashing areas where a lower roof slope meets a cheek wall.
	www.myguardian.com /archives/roofing/roof03_flat.htm (356 words)

	Flat Roof Repair, Metal Roof Repair, Roofing Products, Elastomeric Roof Coating, Industrial Coatings - Ames Research
		Snow Seal Roof Coating resists cracking and peeling, drastically reducing the expansion and contraction that tears roofs apart; it extends the life of old roofs.
		It is used primarily for roof, wall and deck waterproofing applications where it acts as a vapor barrier.
		Maximum-Stretch, along with Elasto-Barrier and roof fabric can be formed into a roof system to form a new roof over the old roof and substantially extend the life of the roof by many years.
	www.amesresearch.com /roof_coatings.htm (1254 words)

	Simple Flat Roof Leak
		A flat roof is more prone to leaks due to the fact that the roof has no pitch for snow and other debris to slide off, so it remains on the roof until we remove it.
		Flat roofs should be inspected several times each year in order to detect any damage or possible
		Because of their design, flat roofs are generally difficult to inspect when it comes to leaks.
	www.roofer911.com /flat_roof_leak.htm (584 words)

	Flat roof repair - Roofing and Siding - BBS - BobVila.com
		These roofs are most prone to leaking at the seams if not fully adhered, and at the flashings such as edge flashings, pipes, and other protrutions.
		Roofing as a whole is bad these days, in my opinion, but flat roofs are the worst.
		If you have time, educate yourself on how the roof systems proposed are installed...including the flashing details, then slyly ask each one questions meant to reveal either their knowledge or ignorance.
	www.bobvila.com /BBS/Flat_roof_repair-Roofing_and_Siding-1-F2253.html (517 words)

	Flat Roof Survey
		Flat roof inspection is the most common form of infrared roof inspection.
		Many roofs need to be replaced prematurely due to moisture damage from leaks and improper installation.
		Infrared roof inspections work on the principal that different materials in the roof have different thermal mass.
	www.infraredflorida.com /flatroof.html (165 words)

	Tough Stuff \| Application Guide for Flat Roof Systems
		The balance of the roof will have a minimum 6 fasteners per sheet spaced 6 from the edge of the board at the comers.
		A liner levels out the roughness of the roof and can, in many cases, be applied with less material per 100 square feet than if the system was unlined.
		Roof is finished by applying a second coat perpendicular to the first.
	www.coatingsinternational.com /products/cirs_roofing/cirsguideapplication.shtml (2373 words)

	Building a Flat Roof Right \| THIS OLD HOUSE
		Yet for historic Modern-style buildings like This Old House's current TV show project, flat roofs are at the core of the architecture, meant to reflect the broad horizontal lines of the natural landscape.
		But flat roofs take a pounding from harsh weather, which is why they rarely last as long as a good sloped roof.
		Fortunately, modern materials for covering flat roofs have improved considerably over the past two decades; some carry warranties of up to 20 years, approaching those for sloped roofing.
	www.thisoldhouse.com /toh/knowhow/exteriors/article/0,16417,1127447,00.html (311 words)

	Commercial flat roof materials information
		Many insurance companies have become unwilling to insure buildings with flat roofs due to some material's inability to withstand the elements, and the problems that arise from the failure of the roof.
		One that will finally give you peace of mind, and confidence that your roof is water tight for MANY years to come.
		A modified roof system can be torched down, or hot mopped applied, consisting of a one, two or three ply system.
	www.schindlerroofing.com /comfltrfpage.html (392 words)

	Flat Roofing \| Colorado Roofing Contractor \| Waterproof membrane
		Roof vents have been used on single-ply roofing for over 20 years.
		The DL membrane is a waterproof roofing material that has a warranty that stands out in the flat roofing market.
		There are many design and performance benefits from installing a flat roof but it also offers exceptional value for money.
	www.coloradoflatroof.com /flatroofingissues.htm (271 words)

	Flat Roof Properties
		Traditionally Flat Roofs have been covered with roofing felt, lapped with bitumen sealant and covered with more bitumen to give some hold to chippings.
		Consequently very few traditionally felted flat roofs are totally effective for more than ten years and many start to pose problems in as little as five years.
		Replacing felted roofs in close proximity to thatch has always been high risk but this is not a problem with our flat roof system as there is no open flame or high temperature bitumen used during installation.
	www.exclusive-products.co.uk /roofs/roof1.htm (224 words)

	RoofHelper- Roofing Information » Flat Roof Problems
		A flat or low slope roof is the perfect choice for many buildings and climates.
		If you do not feel qualified to care for your roof have a contractor inspect your roof and take care of any repairs that are needed at least every few years.
		When a flat or low slope roof is installed a “slope” must be created, if one does not exist, enough to direct water off of the roof.
	www.roofhelper.com /roof_blog/index.php?p=135 (252 words)

	Roofing & Guttering > Flat Roof
		Most flat roofs consist of a timber decking nailed to the roof joists covered with three layers of roofing felt.
		If the roof is too high to allow you comfortable access by ladder for a closer inspection, use binoculars to scan the surface as carefully as possible, from all angles - front, back and sides where applicable.
		If there are signs of dips in the roof or puddles, it could be due to the deck or the structural joists having deteriorated or perished.
	www.diynot.com /pages/rg/rg016.php (546 words)

	Maintaining a Flat Roof Assembly
		Subjects the roof to constant surface saturation which increases substantially the rate of deterioration of the roof system.
		Refer to the long cracks in roof membrane, and are usually parallel to felts and insulation joints.
		It is the result of lifting of laps at edges in bituminous roofing, or unbonded edges in PVC roofing due to inadequate heat welding.
	www.buildingsciences.net /flat-roof-maintenance.html (950 words)

	Flat Roof Moisture Survey – Infrared Detection (Site not responding. Last check: 2007-10-23)
		The technique is particularly effective on roofs having absorbent insulation such as wood fiber, fiberglass, and perlite where thermal patterns correlate almost perfectly with moisture.
		Our thermal inspections of roofs with nonabsorbent insulations, common in many single-ply systems, are more difficult to diagnose because patterns are more diffuse.
		The cost to completely tear off this roof and reinstall R-10 insulation and a new built-up roof system would be approximately $310,000.
	www.roofer911.com /infrared_possible.htm (790 words)

	Flat Roofing UK - PVC And Titanium Oxide Flat Roof UK Systems - Maintenance Free
		The Sarnafil Roofing System is BBA assessed to last over 30 years and is increasingly used in large commercial and industrial buildings.
		The new generation flat roof system as chosen for major UK buildings - now available to protect your home.
		Up until now flat roofs have been a constant problem for home owners not helped by the number of rogue and 'cowboy' installers operating in this trade.
	exclusive-products.co.uk /roofs/roof.htm (206 words)

	Flat roof insulation
		Flat roof insulation has to satisfy particularly stringent demands because the insulation always has to be applied on the top.
		That means that the insulating material needs to combine a high degree of insulating efficiency with a level of heat resistance and dimensional stability sufficient to withstand the temperatures generated by solar radiation, which can be as high as 80 °C or more.
		The compressive strength of polyurethane flat roof insulating boards makes them suitable as a substrate not only for gravel fill layers, but also for tiles and roof gardens, terraces, roofing decks capable of withstanding wheeled traffic and parking decks.
	www.pu.bayer.com /db/pu/pu_cms_internet.nsf/id/291B0B019758A21FC1256F6A0023D309 (159 words)

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