buddypress default code :- <?php get_header( 'buddypress' ); ?>
 
    <div id="content">
        <div class="padder">
 
            [ CONTENT ]
 
        </div><!-- .padder -->
    </div><!-- #content -->
 
<?php get_sidebar( 'buddypress' ); ?>
<?php get_footer( 'buddypress' ); ?>

My theme page.php code :- 
<?php get_header(); ?>
<!--Main begin-->
<div id="main" class="round_8 clearfix">

	<!-- Breadcrumb begin -->
	<div class="pad-left-10">
	<?php if (function_exists('pkb_breadcrumbs')) pkb_breadcrumbs(); ?>
       
    </div>
	<!-- Breadcrumb end -->

	<?php if ( have_posts() ) while ( have_posts() ) : the_post(); ?>
	
	<!-- Page title begin -->
	<div class="page_title round_6">
		<h1 class="replace">
			<?php if ( is_front_page() ) { ?>
				<?php the_title(); ?>
			<?php } else { ?>	
				<?php the_title(); ?>
			<?php } ?>	
		</h1>
	</div>
	<!-- Page title end -->
	
	<!-- Content begin-->
    <div id="content" class="left">
		<?php if ( (has_post_thumbnail() && function_exists('has_post_thumbnail'))) { ?>
			<div class="landing_image"><a href="<?php the_permalink() ?>"><?php the_post_thumbnail( 'landing-image', array('class' => 'shadow') ); ?> </a></div>
		<?php } ?>
		
		<?php the_content(); ?>
		<?php wp_link_pages( array( 'before' => '' . __( 'Pages:', 'peekaboo' ), 'after' => '' ) ); ?>
		<div class="clear">&nbsp;</div>

	<?php endwhile; ?>
    </div>
	<!-- Content end-->
	
	<!-- Sidebar begin-->    
    <div  id="sidebar" class="left">
		<?php get_sidebar(); ?>
    </div>
	<!-- Sidebar end-->    
	<?php get_footer(); ?>

And my theme's index file is :- 
<?php 

/**

 * The main template file.

 */

get_header(); ?>





<!--Main begin-->

<div id="main" class="round_8 clearfix">



	<!-- Content begin-->

    <div id="content" class="left">

		<?php get_template_part( 'loop', 'index' ); ?>

    </div>

	<!-- Content end-->

	

	<!-- Sidebar begin-->    

    <div  id="sidebar" class="left">

		<?php get_sidebar(); ?>

    </div>

	<!-- Sidebar end--> 

	   

<?php get_footer(); ?>