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CHAS
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Single traditional box sash windows.
Suitable for non-listed buildings and contemporary developments.
Timber sash windows which embrace the all style and function of traditional box sash windows, yet are enhanced with modern construction and materials.
Features and benefits:
Guarantees:
TRC Contracts Ltd offers robust guarantees on all TRC window ranges we supply and install. The following general terms apply on all new windows:
ColorColour from RAL classic range - standard, dual finish or stain - optional. | Other Black Brown White |
FinishAvailable in dual finish, RAL classic range and stain. Insert requirements. | Painted |
Material | Timber Wood |
Shape | Rectangle |
Length | Bespoke Project specific. |
Width | Bespoke Project specific. |
Height | Bespoke Project specific. |
WarrantyDescription | Ten year |
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Standard | To EN 14351. |
Dimensions and configurations | As drawing.Insert reference. As schedule.Insert reference. |
Product performance | - |
Fire performance | - |
Fire egress | Yes. |
Weather performance | - |
UK exposure category | The window is fully weather sealed to BS EN 6375-1. |
Air permeability | To BS EN 1026, Class 4. |
Watertightness | To EN 1027, 4A. |
Resistance to wind load | To EN 1221, Class C4. |
Durability | - |
Operation and strength characteristics | To BS 6375-2 |
Safety | - |
Security level | To PAS 24:2016. |
Environmental | - |
Background ventilation | Yes. |
Acoustic performance rating | 36 (0;-3) dB. |
Thermal | - |
Whole window U-valueTo BS EN ISO 10077-1. | 1.4 W/m²K. |
Frame | - |
Standard | To BS EN 942. |
Profile | 100 x 160 mm (lining width x frame depth), manufactured using mortise and tenon joints, glued and mechanically fixed. |
Wood species | Hardwood.Softwood.Accoya Oak. |
Chain of custody | FSC. |
Appearance class | For opaque finishing: to BS EN 942, J10 for glazing beads and drip mouldings . |
Finish as delivered | Three coats of sprayed applied microporous water based TEKNOS paint system. |
Preservative treatment to wood components | Yes. |
Ventilator | Not required.Concealed through frame head trickle ventilator.Concealed through frame head trickle ventilator. 1700 mm², 4400 mm² or 5000 mm² air flow dependent on frame width. |
Frame hornsSolid feature horns to top sashes are included as standard. | Not required.Type H1.Type H2.Type H3.Type H4.Type H5.Type H6. |
Glazing or infill | - |
Standard | Relevant parts of BS EN 1279. |
Requirements | Factory glazed with 24 mm thickness dual sealed units. |
Hardware | A lockable Fitch fastener and two finger pulls to the bottom sash.Consult manufacturer for colour and finish. |
Operation | - |
Type | Manual. Sashes are hung on cords or chains, operating over pulleys and counter balanced with lead weights. |
Fixing features | A lockable fitch fastener and two finger pulls to the bottom sash. |
Sill projection | 35 mm. 50 mm. 60 mm. 70 mm. 80 mm. |
Windowboard groove | Required. Not required. |
Internal Glazing Bars and/or Perimeter Bead | 18 mm lambs tongue type 2. 18 mm ovolo profile type 2. 22 mm lambs tongue type 1. 22 mm ovolo profile type 1. |
External Glazing Bars | 18 mm chamfered putty bar. 22 mm chamfered putty bar. |
Glass units | 24 mm double glass unit. 4 mm tough/ 16 mm argon/ 4 mm tough low-E. 24.8 mm sound control double glazed unit. 6.8 mm sound control laminated/ 14 mm argon/ 4 mm tough low-E. Special order. Insert requirement, safety, obscured, acoustic or solar control glass options available. |
Perimeter/Integral spacer bar | Black warm edge perimeter spacer and integral glazing bars within unit cavity. Matt chrome warm edge perimeter spacer and integral glazing bars within unit cavity. White warm edge perimeter spacer and integral glazing bars within unit cavity. |
Ironmongery | Antique brass sash fitch fastener, sash lifts, sash pulleys. Brass sash fitch fastener, sash lifts, sash pulleys. Oil rubbed bronze sash fitch fastener, sash lifts, sash pulleys. Polished chrome sash fitch fastener, sash lifts, sash pulleys. Satin chrome sash fitch fastener, sash lifts, sash pulleys. |
Child restrictor | Not required. Angel lock. Standard. Traditional sash stop. |
SashSashes are hung on cords or chains, operating over pulleys and counter balanced with lead weights. | 39 x 55 mm top rail and stiles, 90 x 55 mm bottom rail, 45 x 55 mm meeting rail. |
Mullion/ transom | 200 mm wide (130 mm for triple sash with fixed outer sash). |
SillSolid hardwood. | 54 x 160 mm. |
Staff bead | Timber. |
MoistureContent | 12–19% (wood). |
Glazing beads | Internally beaded. |
Applied finishThree coat spray applied factory finish using water based micro-porous paint/ stain. | Dual finish Insert requirements. RAL classic range Insert requirements. Stain. Insert requirements. |
Wood species | Engineered Accoya. Engineered European oak. Engineered hardwood. Engineered redwood. Standard. |
Contains Red List materials | No |
Country of material origin | Cameroon |
Country of product manufacture | Lithuania |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0.5 kg CO₂ eq/kg |
Recyclability | Yes |
Recycled content | 0 % |
NBS BIM object standard
This BIM object has been authored to meet the requirements of the NBS BIM object standard.
Find out more about the NBS BIM object standard.
Platform | Compatible | Version |
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![]() | - | 1 |
![]() | Revit 2017 | 1 |
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