BUILDING ENVELOPE
coordinate openings, structural support, drainage, upstands and access.
BALANCING DAYLIGHT & OVERHEATING Large areas of glass can make a self-build feel bright, open and closely connected to the garden, but they need to be handled carefully. South- and west-facing elevations, roof glazing and open-plan spaces can all be vulnerable to excessive solar gain if the specifi cation is not considered alongside the rest of the fabric.
Solar control glass can help by
refl ecting some of the sun’s energy before it enters the home. That can reduce the risk of rooms overheating in summer while still allowing homeowners to enjoy generous daylight and views. hen roofl ights are part of the plan, that balance can be the difference between a space that works comfortably year-round and one that only feels right for part of the year. t’s also worth looking beyond the glass itself. Frame quality and installation
both make a real difference to the fi nal performance of an opening. A highly insulated wall will only perform as intended if the openings within it are specifi ed and installed with the same level of care. For self-builders aiming for a low-energy home, that means discussing U-values and solar control performance as part of the wider project conversation.
ROOFLIGHTS & THE FIFTH ELEVATION The roof is often described as the fi fth elevation, and for good reason. It has a major impact on both the look and the performance of a home. oofl ights can bring daylight into the centre of the plan where vertical windows can’t reach, making them especially useful in deep layouts, single-storey extensions and open-plan kitchen-diners.
For self-builders balancing budgets and schedules, ease of installation is more than a convenience. roofl ight that arrives as a complete, well-engineered solution can reduce complexity, minimise coordination issues and help a home become weathertight more quickly and confi dently.
HEATED GLASS OPENS UP NEW POSSIBILITIES Heated bi-fold doors and glass infi ll for roof glazing are opening up even more options. In addition to bringing in natural light, these systems can provide radiant heat during the colder months, improving thermal comfort and daylight levels.
Paul Higgins is commercial director at TuffX
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