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£52.00Tierra EPDM 1-4mm 25kg bag 

Tierra EPDM 1-4mm 25kg bag £ 52.00 In stock




Bright Yellow


Dark Grey

Earth Yellow



Light Blue

Light Green

Light Grey

Mid Grey



Post Box Red







Hardwearing colourfull rubber play and sports surfacing


What is it !

Wet Pour rubber safety surfacing is suitable for playground installations where impact absorbent surfacing is a requirement up to the appropriate Maximum Free Fall Height (see chart below). It can be used around complex configurations of playground equipment and ground contours.

Wet Pour surfacing for playgrounds is slip-resistant and non-abrasive to young children. It is porous, so no puddles.

Colourful graphics can be created within the Wet Pour for games or emblems. This is done by designing a stencil and cutting out the top layer colour to replace it with contrasting colours.


The Benefits of MonsterMulch Wetpour !

Monstermulch have tried and tested many supply sources for wetpour materials over the decades. We have the aquired expertise to know which materials perform well and which perform poorly over the expected life of a wetpour surface.

We can supply and install or we can supply with all technical information you may need to know.

The Monstermulch materials have the following qualities:-

  • Manufactured in the UK.
  • High spread rate volume to weight ratio, thus cheaper per kg
  • High elasticity.
  • Less filler such as calcium carbonate
  • Full fade resistant colour
  • Quotes and methods provided
  • Installation service available
How it Works !


1) Solid sub base & border is required
2) It is porous
3) Mix and lay base crumb (10% resin)
4) Mix and lay EPDM top (20% resin)
5) Allow 12 hours for each layer to cure

The required sub bases for wetpour

  1. Concrete or open-textured tarmac
  2. MOT Type 1 stone (50mm or more)

The Standard Wetpour Method
(2 layer process)

The base layer provides the safety cushion effect. It is recycled 2-6mm crumb bonded rubber, mixed on site using special equipment and laid to exacting standards usually 30-50mm with 10% resin. It is relatively cheap costing about £14 per square metre at 30mm (£4.5 per 10mm approx) .

Base layer per 1m 2-6mm crumb Resin
20mm depth 12.5 kg 1.25 kg
25mm depth 15.6 kg 1.56 kg
30mm depth 18.75 kg 1.87 kg
35mm depth 21.9 kg 2.19 kg
40mm depth 25 kg 2.5 kg

The top EPDM layer. Recommeded to be 20mm it is a specifically manufactured polymer of  1-4mm granules designed to be very hard wearing and colourfull. It is more expensive at about £45 per square metre depending upon which colour.

Top layer per 1 sqm 1-2mm EPDM Resin
15mm depth 12.5 kg 2.5 kg
20mm depth 16.7 kg 3.33 kg
25mm depth 21.0 kg 4.17kg


Critical Fall Height Requirements

Don't worry, we'll calculate the appropriate materials for you !
and install if you wish !

Wet pour - tips and advice from my 15 years experience !


This was a customer reply 30/2/20 with useful information

Hi Gemma,

Thank you for your email enquiry regarding the materials costing for black wetpour 80sqm at depths 20-30mm.
Without knowing the purpose of the 80sqm black wetpour I have provided 3 materials options.
There are many pros and cons to consider so I will explain.

(n.b. wetpour always requires a porous MOT type one sublayer that will provide adaquate drainage)

20mm        one top layer              £2192             winter resin
25mm        one top layer              £2795            winter resin

35mm        two layers                   £2595            summer resin

*inc VAT and delivery

At this time of year (January) temperatures can to drop below 5c before the resin has cured [“dried”], so there is the risk that the morning dew can cause a whitish sheen distorting the true colour of the wet pour. This should wear off after a few weeks of being walked on. Never-the-less it can be alarming when the customer first see it.

This is why we have standard summer resin which cures in 8-10 hours and winter resin which cures in 4-5 hours.

The winter resin can be a little thick to work with. It helps to keep the both types indoor the night previous for easier mixing. Note that temperatures above 25c will make it too thin and is not recommended.

I prefer to use standard resin if I can ensuring there are sufficient hours remaining in the day for it to cure. Winter resin can be problematic if rows have already cured before the next row joins up to it. A noticeable join may occur.

Notice that the 35mm materials work out cheaper than the 25mm materials. This is because the 20mm base layer 2-6mm crumb is only about £8 per bag and needs only 10% resin. But this is a 2 layer process requiring at least 2 days. Do not flatten the base later, leave it rough to lock into the top layer.

The deeper the softer, important if there are critical fall height considerations. However if the surface is for sports then thinner and firmer it may be preferable, and to use a high tensile resin which comes in standard (summer) only.

One more thing with black. Always recommend a speckle of colour like yellow, red, blue etc, just one cup in every 40kg mix is less than 1% but provides an optical trick that the eyes will not be drawn to the slightest imperfection.

Please let me know if you have any questions or require any amendments to these itemised quotes.


Chris Lipthorpe

Tel:  01916 451685





Suggested Wetpour Mixer & Tools




Forced action pan-type wetpour mixer available in a range of petrol or diesel engines. Designed for mixing rubber granules and low density, light weight materials with capacity up to 2 x 25kg bags (depending on model). Robust steel construction complete with safe guarding to head/pan and motor/engine/gearbox. http://www.monstermulch.co.uk/baron-e120-forced-action-mixer-120l-1-1kw-110v-i555.htm

Further technical information available on request.




Roller straight

Ideal for creating the perfect finish on large difficult to reach areas. All steel construction 114mm diameter roller complete with 1600mm handle. Available in a range of widths – 400mm, 600mm & 800mm.


Roller Trough

Lightweight fibreglass construction suitable for containing release agent and light solvent. Measures approximately 870mm long x 330mm wide x 160mm high, weight 2.5kgs. 



Float cropped

Wetpour long-nosed 400mm steel trowel. Ideal for achieving a perfect finish, particularly for intricate areas, graphics and around surface edges.



Drum Tap 1

2″ Treacle drum tap suitable for dispensing viscous fluids. Cast Iron body with brass faceplate for an excellent seal and easy flow control. Can be dismantled for easy cleaning.




Drum Stand

Drum trolley and pouring stand for 210 litre steel drums (250kgs). Suitable for most terrains. Measures approximately 1,220mm x 800mm wide x 310mm high. Height of bung 360mm, weight 22kgs.

We also stock a static version which is smaller in size.

* Please enquire for advice, materials quotes and installations


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