2.4M x 2.4M Unisex Toilet This building is custom built, made of 50mm sandwhich panels and heavy duty commercial quality vinyl flooring. Stock No. NC539 Site ready and available for immediate delivery. Custom Built to Order We offer flexible building solutions for all your portable building needs. Buildings custom made to your specifications. Contact our friendly staff for a written quote. Tell us what you are after, chances are we have it already.