Every roofing system has their own drawbacks.
How to install a modified bitumen flat roof.
It is assembled in a unique permutation of layers that compound to increase the roof s effectiveness.
Modified bitumen flat roofing is a single ply system made of asphalt bitumen modified with polymers and reinforced with fiberglass and or polyester.
Roll modified bitumen roofing sheets over the entire roof.
Another good thing is that workers can easily reach the flat surface should there be a need to perform repairs.
Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary.
Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm.
If your flat roof is covered with gravel you will likely need to hire a professional to reroof it.
A modified bitumen flat roof requires less maintenance as they can stand on their own for a long period of time.
Start at 1 end of the roof and unroll the bitumen to the other end.
Step 3 prime the roof.
There are different primers available for sealing the concrete roofs.
After attaching the felt to the roof use a primer to prepare the roofing.
If the surface is smooth you may be able to reroof using sheets of modified bitumen or epdm rubber roofing.
Make sure the roofing is flat and free from creases and bubbles.
In the final phase of a modified bitumen roof an installer torch welds a granular surface membrane to an interply sheet or directly to a base sheet.
Bitumen roof advantages and disadvantages.
Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof.
Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures.
Flat roofs were once exclusively the province of professionals but new materials enable do it yourselfers to install flat roofs.
One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.