Customers want their new sash windows to blend in and go unnoticed.
Homeowners need to know what choices they have, and understand the importance of considering the individual components and have a good understanding of what everything means, so that they can fully appreciate the effort taken to create a Masterframe sash window.
That’s why we’ve produced this page of “features” to help provide you with the details they need to know. If there’s something missing, don’t be afraid to ask us a direct question or the freephone number.
Done well they transform a window, however all too often companies fail to appreciate or inform their clients about the impact that internal canes will have on their installation.
Exclusive balance retaining clips lock balances in place for life! Masterframe only use top quality Torso II and Ultralift pre-tensioned balances.
On original sash windows, the sash was nothing more than a sliding pane, pegged open to stop it falling.
Heritage and Vintage sash windows come standard with a stylish and secure locking claw cam catch in a range of colour options referred to as the CC31.
Victorians produced larger, thicker, and heavier sheets of glass so they incorporated sash horns to the underside of the top sash.
Traditionally, the lower rail of the bottom sash was made from 4″ or 5″ timbers, planned to about 100mm. This was substantially heavier (deeper) than the side members or mid-rail because it had to carry more weight than the upper sash.
In order to retain equal sightlines or occasionally to reduce the costs of an opening window, it is possible to make dummy sashes.
Sash windows need expert fitting; they don’t work very well if poorly installed. Unlike casement windows, there isn’t any coverage or overlap; airtightness comes from compression on the brush pile.
The visible mullion between windows in some cases can be as wide as 250mm, which is nothing like the slim mullions on original timber windows.
Carrying 40/50kgs for the next 20 plus years it is important that the connection between sashes and balance mechanism is robust.
We know you’ll care about authentic details as much as we do. Externally old wooden sash windows had putty glazing, which sloped back to the glass at an angle of 45 degrees, however many trade windows have an artificial, sculptured, or Ovolo leading edge.
Trade windows all have the same bead, Ovolo in shape. It’s designed for 4.16.4 (or similar 24mm) sealed units to be fitted, to look just like an original timber window.
All trade ranges have scroll handles. These are always supplied loose, as some clients prefer to leave them off; others have very specific ideas for where they should be fitted.
Extrusion companies who design window profiles recommend that sashes are fully reinforced with galvanised steel, to provide adequate resistance against burglars.
Tilt restrictors are metal side arms, made from stainless steel, that prevents windows from being dropped accidentally when being tilted inwards for cleaning.
This name is a registered Trade Mark that describes a unique and patented method of construction that produces traditional timber style butt joints both on the inside and the outside of the window.
If specified we can provide trickle vents for your windows. While new build insists upon some form of background ventilation, replacement sash windows don’t need trickle vents unless the original windows had them.
There is nothing much to worry about with our windows – it’s just the sashes we make can be very heavy and we’d like to remind you and your client of this before you try tilting them when cleaning.