Articles and insights from Cavity Trays

May 10, 2024

Damp Proof Courses

Damp-proof courses (DPCs) are critical components in construction, preventing dampness from rising through walls and…

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April 16, 2024

Non-Combustible Fire-rated Beak Weep

Cavity Trays is proud to introduce a new evolution in cavity trays for high-rise buildings:…

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March 11, 2024

Circular Cavitray Control

Circular openings in external cavity walls require DPC protection to ensure penetrating rain is prevented…

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March 11, 2024

Building Envelope = 20 – 5 = 30?

During December ‘23 and January ’24, the cold, windy weather experienced in the UK caused…

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February 12, 2024

House Builders Standard Solution Solves Threshold Problems

Thresholds play a crucial role in the construction of buildings. They are the transition points…

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January 31, 2024

Elevation Evaluation

Water penetration of the exterior leaf of a masonry wall is a common problem that…

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January 9, 2024

Damp after the storm

The recent weather conditions have brought to light ten construction details that can pose a…

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December 19, 2023

Job Opening: Estimator – Head Office Yeovil

We are looking for an enthusiastic, self-motivated, conscientious individual who is able to work self-sufficiently…

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November 30, 2023

A new Chapter in DPCs and Trays

The NHBC has released updated guidance on the provision of cavity trays to ‘complicated junctions’.…

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September 22, 2023

Interfacing Cavity Barrier Stops

Smoke + Fire + Water + Sound 2.2BR(S) – mandatory Every building that is divided…

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September 22, 2023

Masonry Sills – Avoid the Achilles Heel

Masonry Sills – Avoid the Achilles Heel.  A masonry sill in brick, tile or stone…

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September 22, 2023

Getting an Exempt Conservatory Out of the Ground Economically

Getting an Exempt Conservatory Out of the Ground Economically   Sub structure work to a conservatory…

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September 22, 2023

Thermal Bridging Construction Details – Enhancements

Cavity Trays Ltd, the longest-established company in its specialised field has drawn attention to the…

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September 22, 2023

Parapet Cavity Wall Movement: Insights from PD 6697

Parapet cavity walls behave differently because both faces are exposed. Such dual exposure dictates protection…

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September 22, 2023

Warmer Window and Door Opening Support Arrangement

Supporting an opening within a cavity wall using separate lintels that do not connect and…

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September 22, 2023

Triangular Weep Modernises Traditional Practice

Getting water out of any masonry wall at one time utilised reed straw, chosen because…

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September 22, 2023

Cavity Walls – Water Control Assessment Essential

Cavity Walls  –  Water Control Assessment Essential When the top of an opening within a…

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September 22, 2023

Venting the Extension Where it Joins?

There is commonly a requirement to provide roof ventilation when extending a property. Where a…

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September 22, 2023

Cavity Tray Requirement with Conservatories

In 2013 the Department for Communities and Local Government issued a directive regarding conservatories and…

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September 22, 2023

Tread Carefully Using the BS 8215 DPC Staircase

Tread Carefully Using the BS 8215 DPC Staircase Various British Standards have been withdrawn in…

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September 22, 2023

Masonry Structural Stability and Surface Staining

The practice of providing support to cavity-spanning DPC’s by building into both masonry skins came…

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September 22, 2023

Overwhelmed Wet Walls?

Overwhelmed Wet Walls? Can masonry really be overwhelmed? This was the question posed by the…

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September 22, 2023

Protection and Wet Deflection – Best Practice

Protection and Wet Deflection – Best Practice. Avoiding exterior skin deficiency There are situations where…

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September 22, 2023

Cavitray BWVC Solves Damp Dilemma

Cavitray BWVC Solves Damp Dilemma A builder who had constructed houses with bay windows in…

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September 22, 2023

Are you DPC Compliant?

Are You DPC Compliant? Construction is an amalgam of disciplines, in which varying Standards, build…

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September 22, 2023

The Cavity Wall Performance Question?

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September 22, 2023

Cavity Wall Reveal – Improved Performance

Cavity Wall Reveal – Improved Performance The review of Part L highlights the importance of…

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September 22, 2023

Level Threshold Cavitray (Threshold Isolation DPC)

Type LTT Level Threshold Cavitray   (Threshold Isolation DPC) The new British Standard BS 8102 released in…

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September 22, 2023

Determining Damp Course Dimensions

Growth Rate of 2.5 mm per Year! It’s unusual to provide a lineal measurement to…

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September 22, 2023

Cavity Barrier Problem

Cavity Barrier Problem. Timer Frame construction is one form of construction that calls for the…

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September 22, 2023

The New Part L and NHBC Conservatory Construction

Good news is contained in the new Building Regulations Approved Documents L1A and L1B that…

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September 22, 2023

UK Homes and New Radon Target Level

Responsibility now and in the future? It has been known for many years that radon…

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September 22, 2023

Gable Abutments – Consider the Relationship Between Inner and Outer Skins

Brick and block dimensions and styles are now more varied and consequently it is common…

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September 22, 2023

Why Protecting Gable End Insulation from Water Ingress is Essential

Why Protecting Gable End Insulation from Water Ingress is Essential The insulation terminates at plate…

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September 22, 2023

Concave and Convex Cavity Walls

Concave and Convex Cavity Walls  Caution with Window Openings and Abutments  As well as affecting…

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September 22, 2023

Residual transference in cavity wall masonry

 Residual transference in cavity wall masonry Minimal residual transference can occur in cavity walls where…

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September 22, 2023

Cavity Impingement Affects Most Construction

Cavity Impingement Affects Most Construction   Impingement of the cavity width occurs naturally whenever a…

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September 22, 2023

Water Penetration and Retention

Water Penetration and Retention  Water arrested by the lintel and damp course over window and…

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September 22, 2023

Rotational Movement Through Cavity Wall Openings

Rotational Movement Through Cavity Wall Openings Timber-frame construction requires the designer and builder to be…

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September 22, 2023

Consider meeting and complying with ADL1A 2010

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September 22, 2023

Cavity Wall Reveal Performance Diminishes

Cavity Wall Reveal Performance Diminishes It is unlikely the Government will reduce its commitment to…

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September 22, 2023

Avoid going adrift on a raft

Avoid going adrift on a raft When site conditions dictate the use of raft construction,…

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September 22, 2023

Insulated Floor/Wall Junctions and Compliance Risk?

Insulated Floor/Wall Junctions and Potential Weakness? The provision of insulating mediums under or on top…

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September 22, 2023

Where Timber Frame and Floors Meet – Best Practice

Where Timber Frame and Floors Meet   –   Best Practice Your Risk and Cost Considerations The…

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September 22, 2023

Ventilating Under Floors – Your Choices Increased

Ventilating Under Floors – Your Choices Increased  The Building Regulations require voids under suspended concrete…

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September 22, 2023

A Discreet Method of Removing Water That Permeates Masonry

A Discreet Method of Removing Water That Permeates Masonry Water retention within cavity wall masonry…

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