Place the first strip over the starter strips but don t overlap the roof edge.
How to lay bitumen roof.
How to do it.
It is best to apply these strips horizontally.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Bitumen roofing rolls can be large and heavy so get help carrying them up to the roof if necessary.
Prepare roof edges cant strips.
Remove all obstructions and sweep the roof clean of debris.
Overlap each row at least 3 to 4 inches.
A bit of melted bitumen should ooze out along the joint.
Install new flashing metal.
Repeat the process for the rest of your flat roof.
Nail the roofing strips parallel to the roof edge set in 1 and 8 from the roof edge with nails spaced 4 o c.
Start at 1 end of the roof and unroll the bitumen to the other end.
Repeat this with each roll until the roof is covered overlapping each sheet by about 3 8 in 0 95 cm.
Let the sheets overhang the roof s edges by at least 2 in 5 1 cm.
Using your staple gun secure the felt to the roof.
You may need to remove old flashings.
Align the next sheet of modified bitumen roofing so it covers the edge of the first sheet by a few inches and repeat the process.
Install drip edge and install 9 cant strips of roll roofing material along the rake and eaves edges gable ends and lower roof edge such that the roofing strip overhangs the roof deck by 1 4 to 3 8.
After attaching the felt to the roof use a primer to prepare the roofing.
Unroll the roofing and cut a strip to the length necessary for your roof.
Clean and insulate the roof.
There are different primers available for sealing the concrete roofs.
See below for a shopping list tools and steps subscr.
Start by laying asphalt felt or other underlayment over the roof.
Ask this old house general contractor tom silva reveals the best ways to secure shingles to a roof.
Use your foot and gloved hand to press the seam between the two sheets ensuring a tight seal.
Get a sheet of bitumen roofing and roll it out allowing an extension beyond the perimeter of the roof.