Flat Roof Re Roofing

Metal specifically aluminum is known for its durability.

Flat roof re roofing. Single ply membranes tpo pvc epdm rubber. Flat roofs usually come with a 10 to 20 year warranty but can last 25 years if you build the roofs right and maintain them using commonsense rules. Measure your roof and select an appropriately sized epdm membrane. All three types of flat roofing cost 250 to 350 per square 100 square feet but prices vary according to region and size of the roof.

The biggest threat is of course going to be water which will find any access though any hole or inadequately sealed seams in a roofing membrane. The average cost to replace a flat roof is 5 10 per square foot. Plus it has the added advantage of reflecting heat from the sun which keeps energy costs down. Fibreglass is a long lasting tough yet slippery material that has been used as a flat roof covering for decades.

There is a downside to fibreglass unlike bitumen felt it cannot be laid onto old ply or chipboard. Before ridge vents became standard cupolas were used to cool houses and barns. Tearing off an old roof offers the opportunity to have your roofing contractor add one of these upgrades. Your main goal when covering a flat roof is to create a barrier that will be impenetrable to water.

Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max. Just enough slope to drain water but also flat enough to be a problem if not constructed properly. Use a measuring tape to measure the length and width of your flat roof. Here is a video on how to seal a flat roof permanent it does not required a lot of skills just time to let it dry completely hope it beco.

On a flat roof generally speaking you want to avoid any types of seams if at all possible. You can quickly estimate flat roof replacement costs for the following materials. Fitted with louvers or electronically controlled windows they help draw cool air in through soffits or open windows then vent warm air from the top of the. In fact it beats metal roofs with market price ranging from 2 50 4 per square foot.

Flat metal roofs can last for almost 35 years in ideal conditions. Built up roof bur the traditional hot tar and gravel roof is built from three or more plies of waterproof material alternated with hot tar and ballasted by a layer of smooth river stone. Installing a simple 1 600 sq ft. We love the flexibility of a flat roof for certain design limitations but they have a bit of reputation for leaks and repairs.

Of course flat roofs are not flat but have a very slight roof pitch of between 1 4 to 1 2 per foot. It s commonly seen on smaller flat roofs such as single garages porch roofs and door canopies. Asphalt roofs are one of the most durable of all traditional membranes.