Timber Frame Cavity Barrier MP551
Need to discusss your enquiry further? Please contact our customer services team on 0330 123 1761, who will be happy to help.
Designed to offer 60 minutes fire resistance between the outer brickwork and inner timber sheathing of timber frame constructions - can also be used for the control of sound flanking transmission at wall junctions
Manufactured using polythene enclosed non combustible rockfibre in bespoke sizes designed to be compressed by 15mm within the cavity - this “made to measure” cavity barrier design provides a minimum of 1 hour fire resistance and is crucial in sound applications where “flanking transmission” can be the weak link of an otherwise robust construction
Fitting Mayplas 551 Timber Frame Cavity Barriers
Vertical Barriers are stapled (at 150mm centres) to the inner timber sheathing by both flanges - joints are close butted. 551 is designed to be compressed in the cavity by 15mm as the brickwork is built up Horizontal Barriers are stapled (at 150mm centres) to the inner timber sheathing by the upper flange only - joints are close butted.
Cavity Barrier is designed to be compressed by 15mm in the cavity as the brickwork is built up
Meeting the Sound Flanking Transmission Guidance given in 2003 Approved Document E for Timber Frame Constructions
In timber frame constructions Mayplas 551 Timber Frame Cavity Barrier is the ideal solution for the control of sound flanking transmission and can be used in all wall and floor junctions detailed in Approved Document E where cavity stop or flexible closer are mentioned Mayplas 551 Timber Frame Cavity Barrier meets the requirements of Robust Details Part E in constructions where “close cavity with flexible cavity stop” is specified
PLEASE NOTE- LEAD TIME FOR DELIVERIES OF THE MP561 MAY BE 3-5 WORKING DAYS
Orders and Delivery
Free deliveries on orders over £250.00 Inc VAT. For orders under £250.00 Inc VAT, a £24.00 Inc VAT delivery fee applies.
When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day.
♦ Please note that we have a number of large vehicles, including articulated vehicles that may be used for delivery. Please advise us in the comments on your order if access to the delivery address is limited.
♦ Due to insurance guidelines, delivery personnel are unable to enter private residences. Delivery will be as far as possible to the kerbside of the delivery address. The recipient of the products is responsible for any additional lifting once the delivery has been made. Please bear in mind that Insulation products can be bulky and / or heavy.
♦ The delivery driver will require a signature to confirm the goods have been received.
† Unfortunately we, Insulation Express, cannot deliver to the Highlands & Islands of the UK. However we will be happy to deliver to a freight forwarding company on your behalf.
Returns and Refunds
In the unlikely event that you need to return an item, please contact our team on 0330 123 1885 within 14 days of accepting delivery of the item. Restocking charges may apply. We will discuss this with you upon receipt of the cancellation request. Restocking charges will be applied where the products are no longer required AND NOT for goods returned because either defective or damaged. We usually charge 25% of value (minimum £25.00).
Please note that we cannot accept returns on special orders. Special orders may consist of items sent via third party shipping companies or made to measure products. If you are unsure on whether or not your item is a special order, please contact us on 0330 123 1885 prior to placing the order.