How Do Yuo Build On From A Flat Roof

Here the rubber roof will need to run up the walls and glue to the sheathing.

How do yuo build on from a flat roof.

Apply two coats of bright white elastomeric paint to your flat roof to increase its solar reflectivity. This material must be laid across the rafters and overlap. Tests of heat reduction with elastomeric paint show a 60 to 75 percent improvement in how much it reflects sunlight and heat which translates to dramatic cost savings on energy used to cool your home. To keep water from pooling at these inside corners tom rips 2x4s lengthwise on a 45 degree bevel with a table saw.

The reason we included this section is to give you a good idea of how to build a sloped roof over a flat roof. The steels or rsj s rolled steel joists are often built into one or both walls to give added stability to the roof structure. Use ladders or scaffolding if you are building the roof onto a building that is still a frame. Make sure it s lying horizontally across the exposed rafters and that the edges are flush with the edges of the end rafters.

Pour on the bags of gravel your looking to get just a single layer cover over the entire roof 2. The insulation thickness of 8 inches is laid as a flat carpet. Joints are sealed with vapor barrier. That way you know the process.

Hoist the trusses onto the roof. Roll over the root membrane 4. Homebuilding renovating homebuilding co uk for more self build guides advice and inspiration visit https www homebuilding co uk in this video mat woo. This can be done either with many pairs of hands or with the assistance of a crane.

To complete this step the wall frames of the building must already be level plumb and square. How to make a flat roof have a pitch general steps obviously you shouldn t do the work all by yourself. That would be. Brush into place 3.

Attach a board uncut to the settle rafters on which you need to lay a vapor barrier material film construction. Stack insulation boards on the film top. Once you ve added the framing it s time to add a layer of 5 8 inch plywood sheathing. Drive a nail into each corner of the plywood to hold it in place temporarily.

Draining and root stopping. Put down your first sheet of plywood at the corner of one end of the roof. Add some more gravel i went for a layer of about 1 5 x the one under the root membrane didnt get a photo of. One important and perhaps not so obvious fact is that a flat roof is not actually flat.

You can also use the knowledge you gain to evaluate prospective roofing contractors.