MJM Exteriors are a fencing services company based in Bankfoot serving the local areas of Little Horton and West Bowling. They cover all aspects of decking, landscaping, plastering and domestic fences See more. . Their fences range from barriers, garden and security fences, , security systems and gates & railings through to borders. Additionally MJM Exteriors cover a plastering sector in their business which covers rendering, screeding, over-skimming, boarding and re-boarding along with stud frame work and docking. They have been established for 4 years but have been working in the plastering trade for over 15 years. Hide.