Set the underlayment rolls outdoors and unroll them.
How to apply self adhesive roofing felt.
The basics of these steps are.
Hammer raised nail heads into the roof deck to ensure a smooth surface for an effective.
Clear out 25mm of mortar before you start laying any felt after the upstand sheet has been laid feed in the edge of the flashing and repoint.
You can cover the surface of the felt with gravel for added strength.
Wait until the curled material flattens before proceeding.
Preparing the roof for the felt to be laid.
Cover the edges of the roof with strips of felt before laying out the final layer.
As you work the paper can be tacked down in the center so it won t blow away.
Place them in the sun if possible.
Ensure that there is a good overlap between the flashing and the felt upstand.
Apply another layer of adhesive to the top for maximum waterproofing.
Peel back 1 to 2 feet of release liner align membrane.
Use a degreaser to.
Installing any verge edge and edging to any flashings and vertical walls.
The upstand is finished by the application of suitable flashing.
Laying the second boded underlay felt and adding any gutter drips.
Sweep the roof deck with a push broom in order to remove debris such as stones leaves twigs moss and loose dirt.
How to install peel stick roll roofing on a flat roof.
Laying the top bonded layer of felt.
Complete the finishing touches.
How to install self adhesive roof underlayment.
Apply adhesive to both the upstand and the felt before laying.
Start at the bottom of the roofline and work up so any water that gets through the roofing material will shed down the tar paper and will not go under it.
You will follow the same process as in step 2 for the last layer.
Measure horizontally along the edge of the lowest point of the roof which is usually just above.
Press the membrane of the self adhering roofing underlayment in place with heavy hand pressure to ensure the desired adhesion to the roof deck.
Laying the felt the roofing felt should be applied in layers that overlap.