U Value Calculations
In today’s modern world with soaring energy prices and an increasing requirement to create environmentally sustainable buildings, performance measures such as u values are becoming ever more important in the design of buildings, both in the use of materials (e.g., insulation), the makeup of the building elements (e.g., cavity walls and double glazing) and the overall make up of a building’s fabric (e.g., reducing the proportion of glazing).
Build Check is accredited provide U-value calculations and offers the innovative Oracle tool that is available to subscribers to calculate requirements for windows and doors to meet requirements of Part L Building Regulations.
Performance Testing to BS6375 Section
All windows and doors (including bi-fold doors) whether PVC, Aluminium, Timber, Steel and Composite used in UK buildings will need to comply with the requirements of BS 6375-2. This will test for the operational and strength requirements in terms of:
- Operating force (effort required to operate windows and doors)
- Impact resistance
- Mechanical strength
CWCT Weather Tightness
Build Check work towards The Centre for Window and Cladding Technology (CWCT) guidance on the delivery of laboratory and on-site weather testing for windows and doors.
Using its custom-built rig, it can accommodate samples of up to 3000mm high and 3000mm wide, to determine how efficient a window or door product is in terms of its air permeability, watertightness, and resistance to wind loads.
On-site CWCT Testing Options
Hose Testing
Suitable for closed joint curtain walling and sloped glazing systems (CWCT Standards for Systemised Building Envelopes: 2006, AAMA 501.2-09 & NHBC Standards 2011 Chapter 6.9 S10) or CWCT Section 9, TN 41, and AAMA 501.94 & 501.2-09.
On-Site Spray Bar Testing
Suitable for open-jointed systems for example: rain screen cladding, unsealed patent glazing and opening joints, as water is not forced into the joint. This test can also be used to identify leakage in cladding, curtain walling systems, roofs, and skylights (European Standard BS EN 13051: 2001, CWCT Standards 2011 & NHBC Standards 2011 Chapter 6.9 S1 or CWCT Section 10, TN41 and BS EN 13051:2001.
PAS 24:2022
Driven by the UK Police security initiative, Secured by Design (SBD), which promotes the use of effective crime prevention and security standards, PAS 24 lays out methods for testing and assessing the enhanced security performance requirements of doors and windows with the intention of preventing crime, resisting attack from casual or opportunistic burglars.
CWCT Testing for Façades
Ensure your building's façade meets the highest safety and performance standards with CWCT testing from Build Check. CWCT testing of facades is a critical step in ensuring compliance with modern construction regulations. It is designed to evaluate the strength, durability, and weather resistance of a building's façade.
Our facade testing services assess various factors, including air permeability, water tightness, wind resistance, and impact performance. Whether building a new structure or refurbishing an existing one, our expert team provides accurate testing to safeguard your project against structural issues and environmental challenges.
By choosing Build Check's Façade CWCT testing services, you enhance the safety, efficiency, and longevity of your façade system.
