One thing to remember is that although you call it a flat garage roof it s not entirely flat.
How do i roof a flat roof.
Many slope in several directions like squashed hip roofs toward scupper holes that connect to downspouts.
It does have a slight raise to it to prevent it from pooling water.
Keep attacking this initial spot until you get underneath all layers of the roofing and above the decking below.
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.
Removing the old roof.
For cold flat roofs the vapour layer needs to be positioned underneath the insulation layer on top of the room below to create an effective barrier.
Most people view pitching a flat roof as a tedious job.
Remove the plies of the flat roof by thrusting into them with a spade.
On a warm flat roof the layer is installed underneath the insulation to stop moisture interacting with it through rising thermal pressure lower down in the building.
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.
This is achieved by raising the roof in 1 8th increments every foot.
Built up roof bur the traditional hot tar and gravel.
The flat roof already has a slight pitch as it is required by law.
Start by cutting out a 12 inch circle of asphalt roofing apply a thin layer of roofing cement to the bottom of the asphalt roofing making sure to get it all the way to the edges.
Plies are the layers of felts fabrics and mats that make up roofs.
Flat roofing is more prone to trapping heat than other roofing systems and this causes your building to be warmer and your energy costs higher.
Unfortunately shingles for a flat roof are not advised.
Roof shingles are not sealed in any way and will leak.
Manufacturers however have developed a number of solutions you can use to keep your flat roof cool all year round.
Let it stand for about 30 minutes and then using galvanized nails and your hammer nail down the first layer.
Roll the felt so that it overhangs the edge by 2 inches.
Various styles of a pitched roof can be built or you can purchase pre manufactured trusses.
In terms of spacing leave about 6 inches between nails along both of the short sides and the side lying next to the edge of the roof.
Lever against the.
To do this you use pieces 2 x 4 cut into sections and increasing by 1 8th inch every section up the beam.
Place the asphalt roofing at the center of the depression and press it firmly into place.
If shingles are your hearts desire and no other method will do put down a rolled or rubber roofing material first for protection.