Preferred Building Services
400 Oyster Point Blvd., Suite 401
South San Francisco, CA 94080
Fax: (650)869-0057
Office: (650)869-0067


We utilize Pro-Team back pack vacuums and equivalent upright vacuums. These pieces are paramount in green cleaning technology. They are equipped with HEPA or ULPA filtration which minimizes the dust particulates to as little as 100,000 per 1,000,000. In other words, the dirt stays within the vacuum filtration system, improving indoor air quality and maintaining optimal environmental hygiene.

Micro-fiber Technology

Where circumstances allow, we utilize Micro-fiber Technology. Micro-fiber is a synthetic fiber made up of a blend of polyester and polyamide or nylon. The blended fibers form microscopic star shapes. Research has shown that static charge aids in the effectiveness of the micro-fibers ability to attract dirt, pull it in and trap it in the cloth. Once the cloth is washed, the dirt is released.

Recycle System Proposed

Preferred Building Services is committed to help implement a more effective recycle program. We will utilize the "tandem" Dolly system for the janitors to efficiently collect both recyclables and trash from each employee's work area. The items are easily segregated and will lead to heightened awareness of the recycle efforts management is pushing to increase.

We can provide pricing for additional desk side recycle containers at any quantity. We suggest to kick off any new recycle program with a meeting to discuss a plan of action, working with your respective waste management providers.

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