It provided the roof deck is structurally sound, is a suitable practice to install a brand new roof over an existing roof membrane method and has been correctly prepared to to guide the additional load. Insulation board needs to be added between the aged and roof methods to reflect heat in the surface also to ensure appropriate insulation. In both foam and form, select the board-type which is compatible with your roof. This installation might save a considerable sum in power expenses to you.

Measure the roof using a tape measure. Calculate the square-footage of the roof to look for the amount of insulation boards you require to complete the installation.

Remove all current flashing materials from pipes and vents and hammer. Insert the pry bar under the the flashing materials below the location secured by the nails. Pry the materials up to improve the the nail heads. Remove the nails using the claw end of a hammer. Remove protrusions or any addresses .

Sweep the roof of particles and all dirt.

Use a chalk box to snap chalk lines on on the top deck. Align lay them and the insulation boards using the chalk lines. Butt the ends of the boards. Stagger the joints to ensure a roof area that is uniform. Trim the boards to to match as required. Use a roofing knife to trim a fine-tooth or foam board saw to trim board that was rigid.

Position the plates on the insulation board. Insert a plate every 2 square feet of insulation board. Insert 3 inch galvanized screws throughout the fastening plates. Use a drill to push down the screws into the plates until a minor depression seems in the plate. Make sure the plate doesn’t change however don’t over-drive the fastener. Repeat till all insulation boards are secured to the roofdeck.

Insulation board tape to joint and each seam. Press the tape down firmly to ensure optimum adhesion.

Inspect the insulation board for any seam tape that is lacking. Where required, tape. Sweep particles and all grime in the insulation board.