Cannot See the Caviweep – Cannot Miss the Advantages
When choosing the best cavity weep to suit a project, one should consider the exposure and the finish of the elevation. Choosing a weep that offers sufficient outflow to service …
cavity wall
National and international best practice build details
‘New 2019 manual is extensive, informative and contains excellent construction solutions’ Cavity Trays of Yeovil is the longest-established specialist in its field, and importantly is the only UK cavity tray …
2019 New Solutions – Cavitray Compliant Walls
When building in natural stone, there are two popular methods of construction. The traditional method is to build against a backing skin of blockwork, behind which is the cavity and …
Adding an extension? – Be sure to have cavitray compliant cavity walls
When an existing house is constructed with cavity walls, extending the building should always follow the ‘parallel rule’ – the term applied to both skins maintaining an equal distance apart. …
Best New Construction Industry Product in 2018
The new Type PAT – Protective Adjustable Threshold – manufactured by Cavity Trays of Yeovil has just secured the Product of the Year Award in the Housebuilder 2018 Awards. Designed …
Arches, Cavity Walls & Pinch Points
Rain blown against a cavity wall will gradually permeate the exterior masonry skin and gravitate downwardly. Where the cavity wall incorporates an arched opening, the downward flow is interrupted and …
Rise and Fall Cavity Barriers Turn a Problem into a Solution
Cavity wall (contaminated land) gas barriers usually rise not less than 150mm in the cavity and often have to rise considerably more as they rely on support by being built …
New Protective Adjustable Threshold Eliminates Construction Problem
Yeovil-based Cavity Trays Ltd has developed a ready-to-use solution to eliminate a reoccurring construction problem when building on contaminated land. Originally conceived for Radon gas situations, it is called the …
H+H Celcon Blocks Support Homeless Veterans into Employment
H+H Celcon blocks were used in an award-winning landmark self-build housing development in Plymouth. 24 one-bedroom homes were constructed in George Place: 12 were built for and by ex-servicemen; six …
Curved Cavity Wall Changes the Roof Pitch?
The pitch of an abutting roof may be constant where it strikes a flat cavity wall, but if the wall is curved the actual angle of intersection changes throughout the …
Recent Storms Cause Dampness in Conservatories and Extensions
As a consequence of the recent storms, conservatories and extensions previously unaffected by rain have become damp and wet inside. Rain has penetrated the original property wall area above the …
Cavity Wall Movement Challenges PD 6697
Parapet cavity walls behave differently because both faces are exposed. Such dual exposure dictates the protection against damp penetration takes into consideration more variable elements than are normally encountered. And …
Why Protecting Partial Fill Insulation in a Gable is Essential
When constructing cavity walls incorporating partial fill insulation, the insulation terminates at plate level. It is common practice to also terminate insulation at plate level across the gable ends rather …
Concave and Convex Cavity Walls – Caution with Window Openings and Abutments
As well as affecting the extent of localised water-wash passing over the surface of the masonry, curved cavity walls can also change the behaviour of water and its permeation of …