Timber Frame Construction?
Best Practice Considerations Where Timber Frame and Floors Meet Is the way in which timber frame construction and SIPS construction integrate at ground level flawed? Currently reliance is placed on …
Cavitray
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 …
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. …
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 …
Masonry structural stability and surface staining
The practice of providing support to cavity-spanning DPC’s by building into both masonry skins came about because there were few alternative options to hold a soft or pliable DPC in …
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 …
Building Regulations When Tackling New and Existing Flat Roofs
Building Regulations now require where feasible the extent of insulation within specified elements is upgraded as part of renovation works if the existing provisions are insufficient. Accordingly when constructing or …
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 …
Prevent a damp outside skin becoming a damp inside wall when an extension is added
The attachment to an existing exterior skin of an extension results in the original exterior skin becoming an internal wall below the new roofline. If the abutting roof is flashed …
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 …
Cavity Wall Openings with a Difference
The thermal insulation integrity of window and door openings in cavity walls can be increased by using an approach that combines new and traditional methods. One approach is to use …