How To Correctly Build A Roof

Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.

How to correctly build a roof.

Next measure the area and make calculations so you know how much of your chosen materials to buy. Nail the first boards on top of your wall where you plan to build your roof. Top plates cannot be less than 2 in 5 1 cm thick. If the gaps lined up water could get directly onto the roof sheathing and then seep in through a nail hole.

Measure the length width and rise of one section your roof. Before you can begin to update your roof you will have to get an accurate measurement and order your materials. First measure the length and width of one section of the roof then measure the distance the roof rises from the lowest point to the highest point. Arrange the shingles so the ends and the tab notches do not lie directly above gaps in the shingle below.

Nail it every couple of feet. For most load bearing requirements a roof truss will need to be placed every two feet along the walls. Install the drip edge on the gable ends of the roof after you finish installing your underlayment. Install shingles from the lower left corner working to the right and also working up the roof slope.

Use a tin snips to cut the drip edge to size. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a. Purchase your materials including prefabricated trusses plywood covering and roof tiles.