RSI Access Cover For Biomass Fuel Pits

Surespan RSI Access Cover For Biomass Fuel Pits aluminium single or double leaf biomass upstand covers are rated at 2.5 or 5kN/m ² loading. The patent marine alloy frame incorporates a single or double unbroken EPDM seal, to help prevent the ingress of dirt and moisture offering water and near airtight seal. Vented, insulated and airtight options are available.

Our RSI Access Cover For Biomass Fuel Pits come complete with grade 316 stainless steel gas spring assisted lids, which are locked in the open position with safety hold open stays to prevent against accidental closure. A stainless steel slam action cab lock is fitted as standard to lock the lids, these locks are easily opened from the inside and key operated from the outside.

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    • Custom made to any size
    • Rated up to FACTA Class AA vehicle loading
    • Incorporated double unbroken EPDM seals
    • Marine grade aluminium cover
    • High grade magnesium alloy tread plate lid
    • Water and near airtight seal
    • L03 standard Tee lock
    • Rw25dB acoustic rated
    • Gas spring assisted operation
    • Hold open stay – against accidental closure

    Suggested Sizes

    Product Ref (RSI) Structural Opening Size Weight (kg)
    60.60 600 x 600 33
    75.75 750 x 750 43
    90.75 900 x 750 47
    90.90 900 x 900 53
    100.100 1000 x 1000 61
    120.120 1200 x 1200 77
    120.180 1200 x 1800 102
    150.150 1500 x 1500 104

    Mushroom Vents

    Manufactured in stainless steel, the unique design prevents the ingress of rain or foreign bodies, while internal mesh stops deliberate interference and vandalism. Mushroom Ventilators can be manufactured to any height to suit your requirements.


    Available as single or double leaf floor access cover.

    Biomass Cover
    Single Leaf
    Double leaf floor access
    Double leaf

    Non-Slip surface coating

    Surespan floor access covers can be manufactured using calcined bauxite, a special surfacing material which has been independently tested and proven to provide high friction contact. It has been specially developed to provide an aesthetically pleasing, high durable surface.

    Suregrip is available in on any size floor access cover and can be customized for any application, logo or signature which can be provided in a range of colours.


    Leamore Close
    Leamore Enterprise Park
    Walsall, WS2 7NL
    West Midlands, UK
    +44 (0)1922 711185
    +44 (0)1922 497943 (Fax)

    Control Options

    Gas Spring Operation

    Standard roof hatch comes complete with gas spring assisted opening to ensure minimum amount of effort to open the double skinned aluminium lid.

    The lid will have the provision to lock in the open position with a safety hold open stay to prevent against accidental closure.

    Concealed gas spring

    Electric Operation


    Can be supplied with associated control panels & accessories.

    Additional Electric Features

    Electric control unit

    Electrical Control Unit.

    Push Button

    Push button for domestic use.

    Key switch for domestic use

    Key switch for domestic use.


    Push button for industrial use.

    Key switch

    Key switch for industrial use.

    Hydraulic Operation

    Hydraulic system comprises of operating cylinders with a hand pump. A typical access cover panel would take approximately 60 seconds to open from a closed position. Closing is achieved by releasing the hydraulic oil from the cylinder; the weight of the cover is sufficient to push the cylinder closed.

    Hydraulic operation

    Additional Hydraulic Features


    Electrical Control Panel.


    Push Button

    Pneumatic Operation

    Pneumatics provide a clean and efficient way of operating our hatches in environments where compressed air is freely available or is preferred to hydraulic cylinders or electrical actuators.

    The system comprises of operating cylinders fed from a manual control manifold that can connect to a ring main pneumatic supply.

    Pneumatic operation

    Additional Pneumatic Features


    Electrical Control Panel.

    Key switch for domestic use

    Key Switch.

    Locking Options


    Standard cablock and Tee key.


    Locking padlock box – additional security.


    Electrical interlock – micro switch.


    Shoot bolt lock – internal only.


    Additional cam lock to ensure positive sealing.


    Electrical locking box linked to a BMS system.



    Concealed dead lock with cover plate.


    Shrouded hasp & staple for padlock by others.

    Optional Features

    Fire rated

    4 hours fire resistance.

    Acoustic rating

    Sound reduction of 45db Rw.

    Powder coating

    Underside powder coating (RAL colours).

    Glass window

    Glass viewing window.

    Retractable safety grid

    Retractable safety grid.

    Stainless steel

    Stainless steel access hatch.

    FACTA Loading Classes

    Class A

    Class A

    Internal and external areas which can only be used by pedestrians or cycles i.e. toilets, changing rooms, footways and cycle tracks.

    Class AA

    Class AA

    Very light industrial areas, where small trolleys and private cars/vans can manouvre i.e. Domestic driveways, trolley parks, hospital wards.