Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Laying in the roof.
If it gets wet it will wrinkle making it harder to shingle.
Once underlayment is in place roofing installation can continue as planned.
Start by laying asphalt felt or other underlayment over the roof.
If you live in an area with inclement weather you should consider using a special ice and water protector.
Adhere the joint where the cut edges of the shingles meet the dome.
With one or two helpers you ll be able to shingle a 1 500 square foot roof in about two days.
Cut the shingles to fit around the flange s dome.
This process does take a little longer when the temperatures are cooler but doesn t affect the overall performance of the materials.
Roll out a single layer of roofing felt or tar paper which serves as a moisture barrier.
Before you begin make sure you re comfortable measuring laying out a job driving nails and cutting with a knife.
After completing a column the roofer can go back down to the eave edge of the roof and start laying the next column of shingles.
You won t void your warranty by going with the racking method but with some manufacturers you d have trouble collecting a settlement on two specific problems.
Overlap each row at least 3 to 4 inches.
Both step shingling and racking will yield a watertight roof.
Pattern curling and shadowing color blending.
Installing a new roof over an existing one also called a layover or nailover is often possible although not always the best option.
Felt is laid on a flat roof to help keep the roofing system waterproof.
Do not use felt as a temporary protection against rain.
One thing to consider during a winter installation is the amount of time it takes shingles to seal in place.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Underlayment flashings and shingles all work together and must be installed in the correct order.
Using your staple gun secure the felt to the roof.
Adhere the shingles adjacent to the flange with roofing tar.
Install new flashing metal.
While laying felt is not an easy job it can be done by anyone who has the patience to deal with it.
If you lay the felt perfectly straight you can use its lines instead of horizontal chalklines to align the shingles.
Lay the lower edge of the flange over the top of the lower shingles and the upper edge is positioned underneath the.
Prep the roof by installing underlayment drip edge and valley flashing as needed.
A properly installed layover roof can look and function as well.