The Grouse Care Home
Re-roof
LBS were approached by Ann’s Care Homes Ltd to specify a new roof covering for a substantial renovation and redevelopment project outside Portadown.
The project involved the conversion of the existing building, previously known as the Famous Grouse Bar and Restaurant, to a new high spec residential care facility.
During our first site visit, we discovered the roof pitch to be as low as 15.5° in places. Sections of the old fibre cement slate covering had to be replaced several times as these slates had been installed below their recommended pitch of 22.5°. Water ingress caused by wind driven rain had then resulted in the roof leaking at the eaves.
During our first site visit, we discovered the roof pitch to be as low as 15.5° in places. Sections of the old fibre cement slate covering had to be replaced several times as these slates had been installed below their recommended pitch of 22.5°. Water ingress caused by wind driven rain had then resulted in the roof leaking at the eaves.
As this is a large roof area (1,035m²) on an exposed site, with a very low roof pitch and exceptionally long rafter length, we automatically had to rule out natural slates as the lowest recommended pitch they can be fitted at normally is 22.5°. Our economical, long-term roofing solution was fired clay tiles which have been tested to pitches as low as 12.5° (with special conditions). Our recommended fixing specification for this project was the Shetland Clay tile fitted at the minimum lath spacing of 365mm. LBS’ Shetland tile is a large format, interlocking clay tile which has a smooth, clean and sharp finish and comes in a variety of unfading colours.
“With the low pitch of the roof structure and evidence of historical wind-blown water ingress, it was extremely important to find a suitable product that we could be confident would be fit for purpose and give us some longevity. LBS provided sound advice and recommendations and we are very happy with the outcome – their Shetland clay tile. The tiles were delivered on schedule and they are of an excellent quality. Thanks to the LBS team we now have a product that is fit for purpose with the added reassurance that the new roof will function for many decades to come.””
The Shetland tiles where accompanied by Proctor's Roofshield breathable membrane felt. Roofshield is a unique, three-layer, nonwoven, spunbonded, polypropylene breather membrane with a patented melt-blown core. Roofshield provides a secondary barrier to the ingress of rain, wind and snow. It has a low vapour resistance and is air-permeable; additionally, it provides a cost-effective solution to eliminating the incidence of interstitial condensation in pitched roofs. An eaves support tray was also used to stop the membrane felt blowing into the gutters. The fitting of eaves support tray stops any water being absorbed by the felt into the building and prevents any sagging of membrane between the rafters at eaves level.
As this is a hip roof building, we recommended our 6m non-ventilated hip roll, accompanied with our hip support trays to act as another barrier against the elements. Hip starters were also used to close off the hips, keeping everything dry fixed.
LBS delivered a complete low pitch value-for-money solution.
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