The undercloak is a cement board which may contain asbestos.
How to install roof undercloak.
If your roof has a steep slope install the battens next which are thin strips of material that run horizontally along the roof.
Roof undercloak installation roof undercloak installation overview.
The cement pointing is cracked and porous.
Install the underlayment for the new roof tile next working with 10 foot sections at a time.
Secure the underlayment with nails that are at least 2 inches from the edge of the roof.
This will provide an effective underlayer to support a bed of mortar and allow for mortar adhesion whilst also offering a clean finish to the verge detail.
Tips the under cloak should have a fall away from the wall to prevent water running back to the wall and leaving a stain or soaking in.
You will need to ram the mortar in well then point up.
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The overall verge looks fine otherwise.
If you delay the risk of timber decay and slipped tiles will increase.
Lay felt and batts to 2 from verge edge.
To begin remove the old roof tile.
A roofer told me to.
Bargeboards and in some cases gable end brickwork are prone to deviation in.
20 year old house.
Also at the lowest end of the verge where the slope finishes and the verge becomes flat there is no undercloak beneath the mortar.
Place a good bed of mortar on at a 3 in 1 mix i would add some glass fibre strands in the mix to help prevent cracking and give it strength.
Fibre cement undercloak is used on roof verges to support a bed of mortar allow mortar adhesion.
Plain tiles are not normally suitable for nailing as undercloaks and so the following applies to.
A mortar bedded verge that is done correctly should last as long as the roof tiles or slates.
Cutting and positioning pieces.
Universal undercloak a core component of any roofing project undercloak is a strong tile or fibre cement strip that is fixed at the roof verge beneath the battens.
The undercloak is layed on a flat bed of cement and projects over the verge edge by 2.
You should carry out repairs soon.
The mortar just sits directly on the soffit fascia.
Point it up when setting.
You might be lucky and leave roof tiles in situ remove under cloak and existing mortar and try to push the board in.
