For this reason they are no longer installed and are classed as a design flaw.
Finlock concrete gutter lining.
Rolled on site to specification the seamless aluminium liner creates an effective maintenance free leak proof channel.
Concrete is an absorbant product.
This membrane is manufactured by resitrix comes in a roll 10 000mm long by 1 000mm wide which will cover most domestic properties in one length without any joins.
This is the third time that we have used finlock services.
Finlock concrete gutters relining and sealing unlike modern plastic gutter profiles finlock concrete systems are so heavy that they suffer from frequent downward movement especially over window frames that are unable to support the weight of the blocks.
Very professional and polite.
Re lining concrete gutters.
Rainshield continuous aluminium liner for concrete block finlock style guttering.
Concrete gutter lining mw roofline concrete gutters including finlock concrete gutters usually start to break down after 30 years.
Finlock or concrete gutters have a history of failing.
Water eventually finds it s way through the mortared joints and in most cases water seeps behind the concrete gutter causing damp inside upstairs bedrooms.
The purpose for which finlock gutters were introduced these gutters were formally introduced as a replacement to cast iron guttering systems.
Did a very thorough and good job.
As always they are prompt carry out good quality work and at a reasonable price.
Why do they fail.
A finlock concrete gutter sits on top of a cavity wall with the block visible half hidden away within the structure of the house.
They re usually found in properties that were built between the 1950s and the 70s.
Often referred to as concrete guttering finlock gutters were mainly designed by a company called royston and rather worryingly they now cause long term problems for countless property owners.
Re lining repair specialists finlock concrete gutters have been used in council houses factories churches and schools since the war as resources such as cast iron and other materials were exhausted.
New finlock gutter liner something new to the market is a 2 5mm thick rubber membrane which is bonded to the existing finlock gutters.
