HTI Clearview Energy Saving Block 160mm Thick (1.8 U Value) (Pack of 4)
Please note: When using the Rod & Mortar Kit Calculator - Thermally Insulated Mortar will automatically be selected. Thermally insulated mortar is the advised material for use with Thermally Insulated Blocks. It is always advisable to consider the exposure of the Glass Block Wall - The Mortar joints must be protected with a suitable grout for weather exposure, particularly in heavy rainfall areas. Please see our installation information for the thermally insulated range here.

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Free shipping on orders over £100 Orders placed over £100(net) are subject to free Mainland UK shipping. Simply add the products to your basket, either individually or via the kit calculators, enter your shipping postcode and choose from our shipping options.

Largest range of Glass Blocks We supply the largest, most readily available selection of Glass Blocks in the UK. If there's a product you've seen elsewhere, we're confident in saying we can match it or offer an alternative!
Lead times for Energy Saving products is generally 2-4 weeks. However, as the Energy Saving blocks are produced to order, this is dependent on the current production plan at the manufacturers. Lead times can fluctuate & be much longer in some cases. Please enquire via email at [email protected] for current lead time estimates.
HTI is the Technology Line glass block created for high performance in terms of energy saving.
Thanks to its heat insulation characteristics, HTI reduces heat dispersion through the glass block walls.
Unlike standard glass blocks that have a thermal transmission coefficient "U"of 2.8 W/sq mt x K), HTI has a "U" value of 1.8 W/(sq mt x K).
HTI Clearview Energy Saving Block 160mm Thick (1.8 U Value)
HTI is the Technology Line glass block created for high performance in terms of energy saving.
Thanks to its heat insulation characteristics, HTI reduces heat dispersion through the glass block walls.
Unlike standard glass blocks that have a thermal transmission coefficient "U"of 2.8 W/sq mt x K), HTI has a "U" value of 1.8 W/(sq mt x K).
| Weight | 24 kg |
|---|---|
| Block Type | Square |
| Full or half block? | Full |
| Colour | Clear |
| Finish | Transparent |
| Fire Rating | A1 |
| Pack Size | 4 |
| Product Block Dimensions | 190mm (Double Skinned) |
| Range | Energy Saving |
| Sound Insulation (dB) | 43 |
| Thermal Insulation (U Value) | 4.1 |
| Dimensions | 190 × 160 × 190 mm |