Flat Roof Re Roofing

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.

Flat roof re roofing.

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. Installing a simple 1 600 sq ft. The most durable of all types of roofing materials for flat roofs asphalt rivals metal roofs with a lifespan of more than 50 years. We love the flexibility of a flat roof for certain design limitations but they have a bit of reputation for leaks and repairs.

Flat roof costs 8 000 16 000 depending on the material you choose. In fact it beats metal roofs with market price ranging from 2 50 4 per square foot. You can quickly estimate flat roof replacement costs for the following materials. Plus it has the added advantage of reflecting heat from the sun which keeps energy costs down.

Before ridge vents became standard cupolas were used to cool houses and barns. Metal is one of the most popular materials used for flat roof replacement. Most standard epdm membranes are 1 2 millimetres 0 047 in thick and 15 by 30 metres 49 by 98 ft max. Metal specifically aluminum is known for its durability.

On a flat roof generally speaking you want to avoid any types of seams if at all possible. Flat metal roofs can last for almost 35 years in ideal conditions. Use a measuring tape to measure the length and width of your flat roof. Tearing off an old roof offers the opportunity to have your roofing contractor add one of these upgrades.

There is a downside to fibreglass unlike bitumen felt it cannot be laid onto old ply or chipboard. Just enough slope to drain water but also flat enough to be a problem if not constructed properly. 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.

Asphalt roofs are one of the most durable of all traditional membranes. The average cost to replace a flat roof is 5 10 per square foot. 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. 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.

Your main goal when covering a flat roof is to create a barrier that will be impenetrable to water. Measure your roof and select an appropriately sized epdm membrane. 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.