Glidevale Underfloor & Cavity Wall Vents

1 LIMITED2 Brooklands Road, Sale, Cheshire M33 3SS Tel: 0161 905 5700 Fax: 0161 905 2085 Email: Web: Limited maintains a policy of continuous development and reserves the right to amend product specifications without division of Building Product Design Ltd. Company Registration No; s & Cavity WALL VENTSCI/SfB ( ) Xn6 Uniclass L327 September 2015 Modern construction using higherlevels of thermal insulationrequires increased levels ofventilation within the building fabric toprevent the build-up of moisture increase in U-value requirements W/m2K for both floors walls in therevised Building Regulations Part L hasheightened the importance of the increasing awareness of hazardoussubsoil gases such as radon and methane,the need for Underfloor ventilation hasbecome even more apparent. Glidevale s range of Underfloor and cavitywall ventilation is at the core of anunrivalled capability.

2 Glidevale also offer thewidest range of slate tile and ridge, eaves,valley and abutment ventilation solutions tocompliment the Underfloor and Cavity wallventilation range for both new build andrefurbishment projects. Glidevale is the one stop shop forventilation productsGlidevale Abutment loft access Sunscoop tubular Cavity traysZ-Led ground floor and gas protectionZ-Led Cavity & Cavity WALL Vents MV255 Straight Sleeve Attaches to MV250 Airbrick for straightthrough-wall applications. Works in wall thicknesses from 258 to 305mm. Compatible with MV253 Vent Pipe Airbrick Ventilation area 6000mm2. Colours: terracotta, buff, anthracite black. Driving rain resistant. Standard brick face dimensions. Injection-moulded components. Can be stacked in multiples. Can be used with MV255 Straight Sleeveand MV251 Periscope Provides ventilation beneath suspendedfloors.

3 Vertical adjustment for 3 to 4 brickcourses. Works in cavities from 50mm to 100mm. Can be used with MV250 Airbrick,MV254 Vertical Adaptor and MV253 Vent Pipe Vent Pipe Adaptor Connects to 100mm internaldiameter pipe enabling remotevoids to be ventilated. Can be attached to MV250 Airbrick, MV251 Periscope orMV255 Straight Vertical Adaptor Fits between the two halvesof the MV251 Periscope toincrease the overall depthadjustment up to 5 to 6 brickcourses. Modular design allowsadditional units to be usedfor even greater vent spacingMV250 Airbricks for Underfloor ventilationshould be located on opposite sides of thebuilding. At centres they will provide1500mm2per metre of wall which complieswith building regulations. However, Glidevale recommend a closer spacing centres to avoid the risk of stagnantair pockets. This will achieve the mostefficient mix and distribution of air traysBS 8215 recommends the use of cavitytrays above any point where a wall Cavity isbridged.

4 The use of HT or HTR trays withHT11 and HT12 stop ends is recommendedabove MV250, MV251 and MV255 Weepvent Cavity wall vent and weep in oneinnovative unit. Ventilation area 220mm2. Colours: terracotta, buff, grey. Driving rain resistant with protectionagainst large insect ingress. Fits into a single perpend joint. Can be used with brickwork orblockwork and in rendered of WeepventsFor use in venting timber-framed wall cavities or for useas weeps, MV650 Weepventsshould be at 450mm centres. In timber-framed walls locate athigh and low level and aboveand below fire stops in astaggered PeriscopeMV250 Airbrick Solid floor with ventilationUnderfloor ventilationTypical ApplicationsMV250 AirbrickMV650 WeepventMV650 WeepventMV650 WeepventMV251 PeriscopeGlidevale HT Cavity TrayGranular venting layerGlidevale have a range of Underfloor ,through-wall and Cavity wall ventilationproducts which meet the regulationsrequirements and provide protectionagainst driving rain, birds, rodents and large usedas ventilatorMV650 usedas weep