▁both ▁the ▁walls ▁and ▁ce il ings ▁are ▁typically ▁text ured . ▁Corn ers ▁on ▁interior ▁walls ▁are ▁typically ▁rounded ▁and ▁finish ▁trim ▁around ▁windows ▁is ▁optional . ▁Because ▁of ▁the ▁wider ▁road ▁and ▁lower ▁population ▁density , ▁modules ▁can ▁be ▁as ▁wide ▁as ▁ 2 0 ' ▁and ▁as ▁long ▁as ▁ 9 0 '. ▁The ▁ability ▁to ▁provide ▁larger ▁modules ▁reduces ▁the ▁amount ▁of ▁modules ▁needed ▁to ▁complete ▁a ▁home . ▁ ▁Rock ies ▁Home ▁design ▁in ▁this ▁area ▁ranges ▁from ▁Ch alet ▁style ▁homes ▁to ▁log ▁cabin ▁style ▁homes . ▁Man ufact ur ers ▁in ▁the ▁region ▁therefore ▁provide ▁a ▁number ▁of ▁styles ▁of ▁homes . ▁Cap ability ▁var ies ▁from ▁factory ▁to ▁factory ▁as ▁well ▁as ▁the ▁ability ▁to ▁do ▁complete ▁custom ization ▁of ▁floor ▁plans . ▁Transport ation ▁is ▁limited ▁mostly ▁to ▁ 1 6 ' ▁wide ▁modules ▁to ▁travel ▁the ▁roads ▁of ▁the ▁area . ▁ ▁West ▁Coast ▁The ▁high ▁cost ▁of ▁living ▁in ▁coast al ▁areas , ▁and ▁especially ▁California , ▁may ▁provide ▁mod ular ▁construction ▁an ▁edge ▁due ▁to ▁its ▁lower ▁cost . ▁Ext reme ▁building ▁reg ulation ▁and ▁environmental ▁requirements ▁can ▁delay ▁the ▁start ▁of ▁resident ial ▁construction . ▁Several ▁fact ories ▁special ize ▁in ▁environment ally ▁responsible ▁construction ▁by ▁following ▁green ▁construction ▁standards ▁and ▁offering ▁zero ▁energy ▁homes . ▁ ▁Living ▁in ▁coast al ▁areas ▁also ▁mean ▁that ▁the ▁mod ular ▁home ▁structure ▁should ▁be ▁strong ▁enough ▁to ▁with stand ▁wind s ▁with ▁high ▁velocity . ▁Mod ular ▁homes , ▁built ▁correctly ,