| 摘要 |
The present invention relates to a waterproofing spraying apparatus for delivering a waterproofing coating to the exterior surface of a basement wall which requires moisture proofing. The spraying apparatus includes a remote controlled airless fluid pressurizing unit, a pair of hoses and a spray gun. The spray gun including a moveable arm which is moveable between an extended position and a deflected position. Attached to the end of the moveable arm is a pair of nozzles for delivering the waterproofing coating from the spray gun. The waterproofing coating comprising two fluids which are mixed external to the spray gun after leaving their respective nozzle.
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