Karnak 19 Ultra Instant Roof Repair - 0.25 Litres

£10.10 ex VAT
£12.12 inc VAT
Estimated delivery: Please get in touch for more accurate delivery times
£10.10 ex VAT
£12.12 inc VAT


Product Description

Karnak 19 Ultra Instant Roof Repair is designed for repairing leaks in felt, concrete, metal or asphalt roofs, flashings on walls, chimneys, flues, skylight flashings and down pipes.

A rubber reinforced asphalt, Karnak19 Ultra ensures a durable elastomeric coating of great strength, flexibility, excellent adhesion and high resistance to water and weathering.

Thanks to its unique formula, Karnak 19 Ultra has a unique water displacement quality (Wet/Dry) which means it can even be applied under water. It also dries to a strong, flexible, waterproof and corrosion proof rubber coating which gives maximum protection and fantastic performance over wide ranges of temperatures and weather conditions. 
Perfect for sealing holes in roofs, cracks in concrete and brick, as a joint filler for precast roof slabs and for general use in maintenance of exposed buildings and structures.

Wet or dry application.
Excellent resistance to water and weather conditions - will not shrink or crack.
Resistant to sag at high roof temperatures.
Excellent strength and adhesive properties to felt, asphalt, masonry, steel, cured concrete, shingles, skylight flashings and a variety of other surfaces.
Can be used instantly - no need to mix before use.
Trowel Applied

Application and Use
Prior to using Karnak 19 Ultra, ensure all surfaces are clean and free from oil, grease, dust, dirt, loose paint or other foreign matter. When possible, excess water should also be removed for best results however Karnak 19 ultra can be applied under water when required.

When repairing blisters, cracks and breaks, spread 19 Ultra over the damaged area at an average thickness of ½ cm. Then, embed Karnak 31 GRP Tape Fibreglass Membrane in the 19 Ultra, before finally applying another layer at a thickness of around ½ cm.

Approximately 2 sq./m per Litre at ½ cm Thickness

(Heavily aggregate surfaces and cracks will consume more)



14 Day Money Back Guarantee

We are happy to accept returns, if they are returned within 14 days of being received, and providing item has not been used or opened and is in original condition.

An email MUST be sent before returning your item, a note must be enclosed with the returned item, stating the reason for the return and the name under which the item was purchased.

Faulty Items

All products are individually inspected before being dispatched, to ensure items are sent out in perfect condition. In the unlikely event that your item is faulty, please return it to us within 7 days of receipt in its original condition. Upon inspection, we will be happy to replace or repair where possible, or refund you in full if the item is found to be faulty.

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