With the continually increasing importance of fire safe products, we are always working with our strong supplier network to find products that meet current requirements.
We now have a stainless steel weep available to meet current demand in the industry. The December 2018 amendment to Approved Document B: Fire Safety of the building regulations prohibits the use of combustible materials in residential buildings over 18 metres.
Guidance taken from the NHBC Standards Technical Requirement 3 advise that stainless steel is a suitable materials because it is classified as A1 non-combustible, therefore meeting the requirements of the NHBC and the amendment to building regulations.
Weep guard protects drainage holes
The holes in the guard allow ventilation and allow water to exit, but are small enough to prevent rodents and insects entering the cavity.
Made from stainless steel
Meets new building regulation requirements for non-combustible products within cavity walls.
No tools required for installation
Simply push the guard into the drainage holes.
Can be cut down on site
The weep guards are made to a standard size of 6mm, however if the drainage hole is shorter than this then the guard can be easily cut on site.
How does it work?
For more details or to place an order contact our sales team on 08448 50 40 50
Recently the industry has demanded for 4 hour cavity fire socks to be installed in buildings. Previously 1 hour fire socks were standard practice.
We always listen to and work towards customer requirements and now we only stock Arc standard socks which are 4 hour fire rated in masonry up to 150mm.
Why use 4 hour cavity fire socks as standard?
Helps prevent loss of life
Allows emergency services more time to attend the fire
Delays the spread of fire to other compartments and neighbouring buildings
Minimises damage to buildings and contents
Why use Arc cavity fire socks?
Independently tested and certified by Warrington Fire Research
Datasheets available online
Full traceability back to product batch
Arc standard cavity sock
Packed with non-combustible mineral wool insulation
Superior density provides resistance to breakage
Thicker than standard socks from other brands
Up to 4 hours fire rating up to 150mm
Up to 2 hours fire rating up to 300mm
Another brand standard cavity sock
Not as densely packed
Vulnerable to breakage from general impact before and during installation
1 hour fire rating up to 300mm
For more details contact your account manager on 08448 50 40 50
Grayson were honoured to sponsor the Brick Awards for another year! The Brick Awards is an annual ceremony to celebrate the best brickwork projects across 15 categories and it is an integral part of the brick industry calendar. Grayson sponsored the Refurbishment category which shows recognition and appreciation to 9 of the best refurbished buildings using UK bricks.
The annual ceremony took place at a new venue this year, the Royal Lancaster Hotel in Bayswater London. The awards were attended by leading architects, housebuilders, developers, contractors and suppliers and this year Clare Spivey, Chris Bentley and Kerry Price represented Grayson.
The Brick Development Association organise the Brick Awards which have been running for 43 years. Keith Aldis, CEO of the BDA kickstarted the ceremony and we then heard from Head Judge Hillary Satchwell.
The chosen charity for the evening, CRASH, then took to the stage. CRASH specialise in helping homelessness and hospice charities improve their buildings, to enable them to provide better shelter and services.
Gyles Brandreth was an excellent host for the evening providing a great atmosphere for the ceremony.
Clare Spivey presented the Refurbishment award, congratulations to the Royal Academy of Arts project for winning! Kerry Price attended the awards for the first time, saying “it was a fantastic experience and great to see all the amazing projects shortlisted for the awards”.
Here are all the winners and commendations for the 2019 Brick Awards, congratulations to all!
Supreme Award Winner: The Dorothy Garrod Building, Newnham College
Individual Housing Development Winner: Kenwood Lee House Commended: Hulmefield Hall Commended: Ten Oaks Farm
Small Housing Development Winner: The Interlock Commended: The W1 London Commended: Weymouth Mews
Medium Housing Development Winner: The Dorothy Garrod Building, Newnham College Commended: Gainsford Road Commended: Roof Gardens
Large Housing Development Winner: Porters Edge (At Water Yards) Commended: Hox Park
Urban Regeneration Winner: Raidió Fáilte / Líonra Uladh Commended: Elephant Park Commended: New Gorbals Health and Care Centre
House Builder Winner: Croudace Homes
Commercial Winner: The Ray Farringdon Commended: The Caxton at Buckingham Green
Public Winner: Cambridge Central Mosque Commended: The Defence National Rehabilitation Centre
Education Winner: Royal College of Pathologists Commended: Music School, King’a College School Wimbledon Commended: Dancy House
Refurbishment Winner: Royal Academy of Arts Commended: The Hollis Building
Innovation Winner: The Interlock Commended: York House
Craftsmanship Winner: The Dorothy Garrod Building, Newnham College Commended: Fulham Palace
Specialist Brickwork Contractor Winner: Lee Marley Brickwork
Worldwide Winner: Pontsteiger Commended: Chuon Chuon Kim 2 Kindergarten Commended: Lipton Thayer House
Grayson (GB) Ltd are now working together with Bekaert to supply their market-leading construction products.
Murfor® Compact is a next-generation masonry reinforcement and it is now available to order from Grayson. It is made of a sturdy steel cord mesh that can be easily rolled out onto the masonry joints.
Depending on the application, there are two types of Murfor® Compact: – Murfor® Compact I for masonry in dry, interior environments – Murfor® Compact E for masonry that is exposed to the elements.
Installation benefits ● Can be easily rolled out onto the masonry joints ● Able to apply to a dry bed ● Can be folded around corners ● Less overlapping required ● Can be cut with snips on site
Masonry reinforcement made easy → Fast and simple installation → Efficient and durable crack control → Easy to stack and transport → Accommodates any wall width
Recommended usage: ● Murfor® Compact I-50 with a wall width of ≤ 130mm ● Murfor® Compact I-100 with a wall width of > 130mm < 200mm ● Use 2x Murfor® Compact I-50 with a wall width of ≥ 200mm ● Murfor® Compact E-35 with a wall width of 65 – 90mm ● Murfor® Compact E-70 with a wall width of ≥ 100mm
For more details on Murfor® Compact or Grayson’s other masonry reinforcement products contact your account manager on 08448 50 40 50 or view our masonry reinforcement products here.
Building Regulations have been amended to prohibit the use
of combustible materials in the external walls of buildings over 18 metres that
contain one or more dwellings; an institution; or a room for residential
purposes – including student accommodation, care homes, sheltered housing, hospitals
and dormitories in boarding schools. The new Approved Document sets out
amendments to guidance previously published in Approved Document B: Fire
safety, Volume 2 – Buildings other than dwellinghouses.
The Approved Document takes effect on 21 December 2018.
Previous regulations will apply where a building notice or initial notice has
been given or plans deposited with local authority before 21 December 2019. The
new document states that the external walls should adequately resist the spread
of fire over the walls/roof and from one building to another. It also states
that all materials that become part of the external wall must be A2-s1, d0 or
Information on European classifications taken from BS EN 13501-1:2007+A1:2009:
Will not contribute in any stage of the fire, including the fully
developed fire, or present a smoke hazard
To comply with The Building (Amendment) Regulations 2018 an A2 product must
have the highest classification of A2 (A2-s1, d0)
Will not significantly contribute to the fire load and fire growth in a fully developed fire, and further defined through “s” and “d” characteristics The characteristics “s” for smoke and “d” for droplets are defined as: s1 Weak or no smoke s2 Medium smoke s3 High smoke d0 No flaming droplets/particles d1 Slow dropping recorded d2 High dripping recorded
There are some products/materials that are excluded from the
new requirements, these include:
cavity trays when used between two leaves of
any part of a roof (other than any part of a
roof which falls within paragraph (iv) of regulation 2(6)) if that part is
connected to an external wall:
door frames and doors;
insulation and water proofing materials used
below ground level;
intumescent and fire stopping materials where
the inclusion of the materials is necessary to meet the requirements of Part B
of Schedule 1;
seals, gaskets, fixings, sealants and backer
thermal break materials where the inclusion of
the materials is necessary to meet the thermal bridging requirements of Part L
of Schedule 1; or
window frames and glass.
The use of combustible cavity trays between an SFS inner and
masonry outer leaf has been banned. To address the requirement for a non-combustible
cavity tray, Grayson began work developing a product that provides the durability,
resistance to stress, function and performance required for a cavity tray
Guidance taken from NHBC Standard Technical Requirement 3
advise that stainless steel is a suitable material for construction of cavity
trays. Stainless steel is classified as A1 non-combustible therefore meeting
the requirements of the NHBC and the amendment to the building regulations.
In July 2019 Grayson (GB) Ltd launched G-Tray™ – the world’s
first stainless steel cavity tray – exclusively available via the Grayson
Because of its unique design and construction, G-Tray™
complies to both the new standards and all subsequent NHBC guidance notes. It
is a tailor-made bespoke solution that is designed and manufactured to clients
needs. Available in both grade 304 and grade 316 stainless steel G-Tray™ is
suitable for both inland and coastal applications.
For more details on G-Tray™ or Grayson’s other fire rated construction products contact your account manager on 08448 50 40 50