If you know which way your roof slopes roll the sheets in the direction of the slope.
How to lay a flat roof torch on.
If the roof is sloped you can use the exposed nail method.
Here are simple steps to get you started.
Take care to evenly heat the bitumen.
Plies are the layers of felts fabrics and mats that make up roofs.
Once the bitumen is rolled back into position on top of the membrane the two can begin to bond together.
In a two layer torch down roof the system is complete at this point.
If not a third layer with granules is applied in the same way.
It is then brushed over to secure its position.
As it is rolled out the roofing professional will use a torch to heat the bottom of the cap to the top of the base sheet.
Make sure the sheets lay flat against the roof.
Felt is laid on a flat roof to help keep the roofing system waterproof.
Removing the old roof.
Torch on roofing is a flat roof system which means it must be highly water resistant and durable.
However even with the most durable flat roof system you have to make sure to maintain and inspect your flat roof regularly.
The same process is repeated across the entire surface of the roof.
Half of the bitumen is then rolled up before the flame torch can be used to fire into the underside.
Keep attacking this initial spot until you get underneath all layers of the roofing and above the decking below.
Check to ensure the roof is in good enough condition to walk over.
As it s laid down across the surface a hot torch creates a flame to mould the material with the adhesive underneath.
Torch on felt roofing a modern version of traditional felt roofing this is possibly the most commonly used on flat roofs.
Smooth out any bubbles or creases.
Disadvantages of a flat roof.
Push the sheets as close together as possible.
For a slightly sloped roof use the concealed nail method shown.
Remove the plies of the flat roof by thrusting into them with a spade.
Flat roofs are more prone to pooling water and piling snow as well as built up debris.
Applying a iko 2mm torch on underlay followed by a iko 4mm mineral felt cap sheet www topgraderoofing ie.
For a flat or nearly flat roof use double coverage although a torch down modified bitumen or epdm roof is a better solution.
No flat roof is 100 level but the slope isn t always noticeable.
Step 1 prep work.