Parex Monorex GM

A one-coat or top coat finish, through coloured, weather resistant and breathable decorative render available in 48 standard colours

Units per pack




Unit Price

£18.95   + VAT


Our price

£18.95 £22.74 inc VAT

BIG SAVINGS ON BULK ORDERS Call 01708 855 698 for a bespoke quote

Parex Monorex GM

Parex Monorex GM is a one or two coat, breathable, weather resistant and breathable decorating render for masonry and concrete walls. Available in 48 standard colours (special colours to order), the render provides an excellent finish and good surface hardening.

Parex Monorex GM is suitable for machine spraying or hand application and can be finished in a range of styles from medium scraped, light tyrolean to heavy roughcast textured finishes.
Monorex GM is suitable for rendering onto a range of masonry substrates;

Please note: Blocks with a close texture, generally classed as paint grade blocks, should not be rendered without an application of the substrate porosity regulator Micro Gobetis 3000.


Suitable for

Masonry and walls conforming to BS 5628-3 and constructed from the following:

  • Ultra-lightweight, lightweight & dense aggregate concrete blocks(1). n Bricks.
  • Clay blocks e.g. Porotherm(1)
  • Standard low and normal density lightweight aircrete blocks.
  • Breeze blocks (clinker)(1).
  • Stone/rubble stone.
  • Shuttered concrete(1).
  • Expanded clay insulation blocks(1).
  • Clean, sound, well adhered existing render. n Base coats conforming to BS EN 13914-1 n PAREX grey weather resistant base coats, e.g. MONOGRIS E, PARMUREX or TRADIREX.
  • Dry-stacked inter-locking modular wall units e.g. Durisol recycled timber blocks Durisol with MONOREX GM is NHBC approved for single skin external wall construction.
  • For below dpc applications and old substrates in accordance with BS8000 – 4 Code of Practice for Waterproofing, consult Parex. (1) These substrates will require a suction control coat of MICRO GOBETIS 3000.


Unsuitable for

  • Weak mortar or plaster (Gypsum) coated constructions.
  • Exposed vertical substrates with a backward incline above 10° – a backward incline may affect water run off and may have a tendency to hold moisture.
  • Painted substrates – Unless treated with PARINTER. Contact Parex.



  • Medium Scraped
  • Spray Textured – from tyrolean style to heavy roughcast effect.
  • Smoothed Spray Textured

For additional information refer to the data sheet on Textured Mineral Finishes.

More product detail



Delivery Schedule

All deliveries are ‘Next working day’ unless otherwise stated. 

Orders placed before 2pm Monday – Friday (excluding Bank Holidays) will be dispatched the same day. Orders placed after this time will be dispatched the following working day. 

Orders for non-stock items will be dispatched within 3-5 working days unless contacted by Customer Services. 

Saturday and timed deliveries are available on request. Please contact customerservices@solseal.co.uk or call 01708 855 698 for more information. 

Please note postcodes in some areas of the Scottish Highlands and offshore addresses require a delivery surcharge and in some cases can take longer to be delivered. Please contact customerservices@solseal.co.uk or call 01708 855 698 for a delivery quote. 

AB36-38, AB55-56, FK17-21, G83, GY9, HS1-9, IM (ALL), IV (ALL), JE (ALL), KA27, KA28, KW0-14, KW15-17, PA20-78, PH15-18, PH19-29, PH32-33, PH45-48, PH30-31, PH34-44, PH49-99, PO38, ZE (ALL) 


Our offices are and warehouses are open from Monday to Friday 8am to 5pm. We are closed on weekends and Bank Holidays. 

‘Working days’ is defined as Monday to Friday excluding Bank Holidays.