If there is more than one layer of old shingles or if the single layer is extensively warped or damaged.
Proper roofing procedures.
Spread the seams of your roofing material across the roof s surface.
Proper steps to shingle a house roof preparation.
Preparing the roof 1.
With laminated shingles place four to six quarter sized dots spaced evenly about one inch above the bottom of the overlapping shingle.
Rent a trash container.
Membership in professional associations knowledge and thoroughness of roofing procedures do not consider any bids from contractors you have not met or interviewed.
Do not base professionalism on the sole criteria of having a legible business card.
Of proper insurance number of references offered proposal provided etc.
Many roofs are at a high pitch and require roofing jacks to make the job safe.
Take the proper safety precautions.
Check with your.
Drip edge is a.
Roll out a single layer of roofing.
In the same manner you did with the drip mold mark the areas you need to nail with chalk lines.
To create the starter strip first cut off the tabs of the first shingle and discard them.
Before laying down shingles you need to protect the roof with sheathing.
Install the ridge cap so the prevailing winds blow over the overlap seams not into them.
Once all your shingles are installed you ll need to cover cap the ridge and hip ridges if you have a hip roof.
Ice and water shield installation next step is installing ice and water shield which is a special type of roofing.
For roofing felt synthetic roofs such as epdm tpo and pvc and metal roofs you will need nails to fasten them to your roofs.
4 preparing the roof surface for shingles drip edge installation after wood decking is prepared we install drip edge at all edges of the roof.
Space them by 6 inches.
It s useful to rent a large trash container to throw the old shingles into.
To fasten the shingles drive roofing nails through the tabs just below the sealant line spacing them according to the shingle manufacturer s recommendations.
For three tab shingles place two quarter size spots of plastic roof cement under the lower corners of each tab as shown in figure 2 7.